added isValid

seventhmoon · Apr 12, 2021 · 263fcff · 263fcff
1 parent 765fce1
commit 263fcff
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/lib/src/main/java/com/androidfung/validator/lib/HkidValidator.kt b/lib/src/main/java/com/androidfung/validator/lib/HkidValidator.kt
@@ -4,6 +4,15 @@ class HkidValidator {
     private val acceptedChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ "
     private val hkidRegex = Regex("[A-Z]{1,2}\\d{6}")
 
+    @ExperimentalStdlibApi
+    fun isValid(id: String, checksum: Char) : Boolean{
+        return try {
+            calcCheckDigit(id) == checksum
+        }catch (e : IllegalArgumentException){
+            false
+        }
+    }
+
     @ExperimentalStdlibApi
     fun calcCheckDigit(input: String): Char {
         if (input.matches(hkidRegex)) {