#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(comment_id=)(\d+)\|(\d+)\|([^|]+)\|([^|]+)\|(\d+)"
Local $sString = "comments={ts=2010-02-09T04:05:20.777+0000,comment_id=529590|2886|LOL|Baoping Wu|529360}" & @CRLF & _
"comments={ts=2010-02-09T04:20:53.281+0000, comment_id=529589|2886|cool|Baoping Wu|529360}" & @CRLF & _
"comments={ts=2010-02-09T05:19:19.802+0000,comment_id=529591|2886|ok|Baoping Wu|529360}"
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