#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "^\d{4}-(0\d|1[0-2])-([0-2]\d|3[0-2])(T(([01]\d|2[0-4]):([0-5]\d)(:[0-5]\d([\.,]\d+)?)?|([01]\d|2[0-4])(:[0-5]\d([\.,]\d+)?)?|([01]\d|2[0-4])([\.,]\d+)?))?([+-]\d\d(:[0-5]\d)?|Z)?$"
Local $sString = "2016-03-12T14:13:12.1209182451+03:00"
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