#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)\[?(?<time>20\d\d-\d\d-\d\d\s*\d\d:\d\d:\d\d(?:\,|\.)\d+)\[?"
Local $sString = "Apr 19 09:21:12 XYZADMXYZAB3P04 XYZADMXYZAB3P04 [customer] [426426|TaskExecutor-master-426426-ProcessTask [8797404726198]] [2018-04-19 09:21:11,929] [not present] [admin] [true]: Customer [aubcdsatest@google.com] is created/updated" & @CRLF & _
"Apr 25 15:00:44 XYZADMXYZAB3P04 XYZADMXYZAB3P04 [customer] [139468|TaskExecutor-master-139468-ProcessTask [8797864231862]] [2018-04-25 15:00:41,004] [not present] [admin] [true]: Customer [m.abcsree40@gmail.com] is created/updated" & @CRLF & _
"Apr 4 09:52:28 XYZECMXYZAB1P43 XYZECMXYZAB1P43 [customer] [103920|ajp-bio-8010-exec-158] [2018-04-04 09:52:21,843] [192.145.12.4] [line.sssss@icloud.com] [true]: Customer [lint.sre@icloud.com] is created/updated" & @CRLF & _
"Apr 4 09:52:28 XYZECMXYZAB1P43 XYZECMXYZAB1P43 [authentication] [103920|ajp-bio-8010-exec-158] [2018-04-04 09:52:21,876] [192.145.12.4] [abcd.sssss@icloud.com] [true]: user [abcd.ssss@icloud.com] successfully authenticated" & @CRLF & _
"Apr 9 12:41:52 XYZBUSXYZAB3P01 XYZBUSXYZAB3P01 [employee] [200061|hybrisHTTP8] [2018-04-09 12:41:48,609] [10.44.189.72] [anonymous] [true]: Employee [tester] is created/updated" & @CRLF & _
"Apr 21 02:55:46 ABCPUBXYZAB56 ABCPUBXYZAB56 2018-04-21 02:55:39.800 INFO [com.xyxf.auth.core.XYLoginHookAuthenticationHandler] Activated XYZ authentication feedback handler wrap handler enabled is true" & @CRLF & _
"Apr 12 08:23:06 ABCPUBXYZAB47 ABCPUBXYZAB47 2018-04-12 08:23:00.401 INFO [com.xyzf.auth.core.XYLoginHookAuthenticationHandler] 10.66.101.22 admin failed"
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH)
Local $aFullArray[0]
For $i = 0 To UBound($aArray) -1
_ArrayConcatenate($aFullArray, $aArray[$i])
Next
$aArray = $aFullArray
; Present the entire match result
_ArrayDisplay($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