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index d9292901..344ea3b5 100644
--- a/01-regular-expressions.html
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   "dateCreated": "2018-04-12",
   "dateModified": "2024-09-30",
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diff --git a/02-match-extract-strings.html b/02-match-extract-strings.html
index 509e894e..11cabc7c 100644
--- a/02-match-extract-strings.html
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+  "datePublished": "2024-12-09"
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diff --git a/03-quiz.html b/03-quiz.html
index 455f2011..4aeda422 100644
--- a/03-quiz.html
+++ b/03-quiz.html
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   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
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   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -419,7 +419,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Answer
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -450,7 +450,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Answer
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -481,7 +481,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Answer
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -513,7 +513,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Answer
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -545,7 +545,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Answer
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -576,7 +576,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Answer
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -607,7 +607,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Answer
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -637,7 +637,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Answer
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -670,7 +670,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Answer
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -702,7 +702,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Answer
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -779,7 +779,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/04-exercises.html b/04-exercises.html
index 79d06871..26cb8e23 100644
--- a/04-exercises.html
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diff --git a/404.html b/404.html
index 9ba63480..a6e5220a 100644
--- a/404.html
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   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 903af33e..d25dae3a 100644
--- a/CODE_OF_CONDUCT.html
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
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diff --git a/LICENSE.html b/LICENSE.html
index ec7bcd21..d09f42e0 100644
--- a/LICENSE.html
+++ b/LICENSE.html
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   "dateCreated": "2018-04-12",
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diff --git a/aio.html b/aio.html
index e4a53737..409636de 100644
--- a/aio.html
+++ b/aio.html
@@ -1723,7 +1723,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1758,7 +1758,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -1794,7 +1794,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Answer
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1830,7 +1830,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Answer
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1866,7 +1866,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Answer
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1903,7 +1903,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Answer
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1940,7 +1940,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Answer
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1976,7 +1976,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Answer
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2012,7 +2012,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Answer
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -2047,7 +2047,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Answer
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2085,7 +2085,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Answer
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -2122,7 +2122,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Answer
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2534,8 +2534,8 @@ <h3 class="callout-title">Key Points</h3>
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-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
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diff --git a/discuss.html b/discuss.html
index f99ae3fe..99540202 100644
--- a/discuss.html
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   "dateCreated": "2018-04-12",
   "dateModified": "2024-09-07",
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diff --git a/images.html b/images.html
index 717b2780..2eaae373 100644
--- a/images.html
+++ b/images.html
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   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
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diff --git a/index.html b/index.html
index 43edbe35..e66fd9f6 100644
--- a/index.html
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@@ -285,10 +285,9 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       
 
 <p>This Library Carpentry lesson introduces people with library- and
-information-related roles to working with data using regular
-expressions. The lesson provides background on the regular expression
-language and how it can be used to match and extract text and to clean
-data.</p>
+information-related roles to working with regular expressions. The
+lesson provides background on the regular expression language and how it
+can be used to match and extract text and to clean data.</p>
 <div id="getting-started" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
@@ -370,8 +369,8 @@ <h3 id="this-lesson-does-not-require-any-special-setup-">This lesson does not re
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   "identifier": "https://librarycarpentry.github.io/lc-data-intro/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
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diff --git a/instructor-notes.html b/instructor-notes.html
index dcaedfd5..a3480c65 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
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   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/01-regular-expressions.html b/instructor/01-regular-expressions.html
index c04adac3..45f9c30d 100644
--- a/instructor/01-regular-expressions.html
+++ b/instructor/01-regular-expressions.html
@@ -1102,7 +1102,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2018-04-12",
   "dateModified": "2024-09-30",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
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diff --git a/instructor/02-match-extract-strings.html b/instructor/02-match-extract-strings.html
index ada677d4..43238138 100644
--- a/instructor/02-match-extract-strings.html
+++ b/instructor/02-match-extract-strings.html
@@ -910,7 +910,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2018-04-12",
   "dateModified": "2024-10-15",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/03-quiz.html b/instructor/03-quiz.html
index 49dc5969..6374ff24 100644
--- a/instructor/03-quiz.html
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@@ -360,7 +360,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -390,7 +390,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -421,7 +421,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Answer
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -452,7 +452,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Answer
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -483,7 +483,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Answer
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -515,7 +515,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Answer
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -547,7 +547,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Answer
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -578,7 +578,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Answer
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -609,7 +609,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Answer
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -639,7 +639,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Answer
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -672,7 +672,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Answer
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -704,7 +704,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Answer
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -781,7 +781,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/03-quiz.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
 }
 
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diff --git a/instructor/04-exercises.html b/instructor/04-exercises.html
index 543b3d10..9f068671 100644
--- a/instructor/04-exercises.html
+++ b/instructor/04-exercises.html
@@ -699,7 +699,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
 }
 
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diff --git a/instructor/404.html b/instructor/404.html
index f436980b..cac5770c 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -342,8 +342,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index e2aba51a..d44ce2d2 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -369,7 +369,7 @@ <h1>Contributor Code of Conduct</h1>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 7fa76e8b..292ff3f5 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -417,7 +417,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index 78f4643c..dea6ae0f 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -1728,7 +1728,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1763,7 +1763,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
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   Answer
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1835,7 +1835,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Answer
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1871,7 +1871,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Answer
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1908,7 +1908,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Answer
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1945,7 +1945,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Answer
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1981,7 +1981,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Answer
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2017,7 +2017,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Answer
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -2052,7 +2052,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Answer
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2090,7 +2090,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Answer
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -2127,7 +2127,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Answer
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2540,8 +2540,8 @@ <h3 class="callout-title">Key Points</h3>
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   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index 89b33e52..5b232648 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -369,7 +369,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-09-07",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index adf9de7b..1561c723 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -389,8 +389,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 1ed3063d..d7fae3cf 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -285,10 +285,9 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       
 
 <p>This Library Carpentry lesson introduces people with library- and
-information-related roles to working with data using regular
-expressions. The lesson provides background on the regular expression
-language and how it can be used to match and extract text and to clean
-data.</p>
+information-related roles to working with regular expressions. The
+lesson provides background on the regular expression language and how it
+can be used to match and extract text and to clean data.</p>
 <div id="getting-started" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
@@ -419,8 +418,8 @@ <h3 id="this-lesson-does-not-require-any-special-setup-">This lesson does not re
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 7586a08c..08b8d526 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -429,8 +429,8 @@ <h2 id="regular-expressions">Regular Expressions<a class="anchor" aria-label="an
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index dfea0cfa..a8fa9318 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -405,8 +405,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 82721a00..5658d1db 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -318,8 +318,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index f4fff3d0..f946dc53 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -403,7 +403,7 @@ <h1>Regular Expression Cheat Sheet</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 77c5c28d..78a2d961 100644
--- a/key-points.html
+++ b/key-points.html
@@ -403,8 +403,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-data-intro/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/md5sum.txt b/md5sum.txt
index 5ef1cd8a..d68f0f78 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -2,7 +2,7 @@
 "CODE_OF_CONDUCT.md" "c93c83c630db2fe2462240bf72552548" "site/built/CODE_OF_CONDUCT.md" "2023-05-03"
 "LICENSE.md" "b24ebbb41b14ca25cf6b8216dda83e5f" "site/built/LICENSE.md" "2023-05-03"
 "config.yaml" "3a01e3b7adc9f5a4c0c480fa2a99acb7" "site/built/config.yaml" "2023-05-03"
-"index.md" "e3d053cbd6c2fc0dd72c5aaed8c2658b" "site/built/index.md" "2024-09-14"
+"index.md" "2af31ad735fde7f32cb5b1ec9739dac6" "site/built/index.md" "2024-12-09"
 "episodes/01-regular-expressions.md" "a99a9eb670c86dd62b92c5dfd4ae8938" "site/built/01-regular-expressions.md" "2024-09-30"
 "episodes/02-match-extract-strings.md" "d47fea09e2ff56810f19a2f3fc4fa7f3" "site/built/02-match-extract-strings.md" "2024-10-15"
 "episodes/03-quiz.md" "d792071b0625440049c454e9e653cd2d" "site/built/03-quiz.md" "2023-05-03"
diff --git a/pkgdown.yml b/pkgdown.yml
index 48fc2a39..3dcee6ec 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.1
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-12-03T00:19Z
+last_built: 2024-12-09T14:03Z
diff --git a/profiles.html b/profiles.html
index 8e2374f2..3694e251 100644
--- a/profiles.html
+++ b/profiles.html
@@ -318,8 +318,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-data-intro/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-09",
+  "datePublished": "2024-12-09"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index c3fc32c5..3d052735 100644
--- a/reference.html
+++ b/reference.html
@@ -401,7 +401,7 @@ <h1>Regular Expression Cheat Sheet</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-09"
 }
 
   </script><script>