#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "\d{8}[A-Z]\d{5}"
Local $sString = "123456789" & @CRLF & _
"987654321" & @CRLF & _
"987654322" & @CRLF & _
"987654323" & @CRLF & _
"98765432A12312" & @CRLF & _
"987654325" & @CRLF & _
"987654326" & @CRLF & _
"987654327" & @CRLF & _
"987654328" & @CRLF & _
"987654329" & @CRLF & _
"666218502" & @CRLF & _
"773218502" & @CRLF & _
"772218502" & @CRLF & _
"443218502" & @CRLF & _
"641218502" & @CRLF & _
"525.52.6969B" & @CRLF & _
"515-54-6976-A" & @CRLF & _
"555516316S" & @CRLF & _
"123.45.6789" & @CRLF & _
"987.65.4321" & @CRLF & _
"987.65.4322" & @CRLF & _
"987.65.4323" & @CRLF & _
"987.65.4324" & @CRLF & _
"987.65.4325" & @CRLF & _
"987.65.4326" & @CRLF & _
"987.65.4327" & @CRLF & _
"987.65.4328" & @CRLF & _
"987.65.4329" & @CRLF & _
"666.21.8502" & @CRLF & _
"773.21.8502" & @CRLF & _
"772.21.8502" & @CRLF & _
"772-21-8502" & @CRLF & _
"772218502" & @CRLF & _
"443.21.8502" & @CRLF & _
"641.21.8502"
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH)
; Present the entire match result
_ArrayDisplay($aArray, "Result")
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm