Hex strings are automatically converted to integers

[philhagen]

A matched hex-notation string is automatically converted to integers instead of remaining in their original form.

Data: Process ID: 0x1268
Grok: Process ID: +%{DATA:pid}}
Expected match:

[
  {
    "pid": 0x1268
  }
]

Actual result:

[
  {
    "pid": 4712
  }
]