#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)/DomainId\/(?P<DomainId>\d{5,9})\b|/DomainainSiteId\/(?P<DomainainSiteId>\d{5,9})\b"
Local $sString = "https://company.db.abcd.com/DomainId/123456789/Other https://company.db.abcd.com/DomainainSiteId/123456/Other https://companyaddedwords.db.abcd.com/DomainId/1234567/Other"
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