#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?Uis)^\[\[\%([A-z0-9\-]+)\?\s+\&namespace\=\`(.*)\`\s+\&topic\=\`(.*)\`\]\]"
Local $sString = "[[%mt4se-amuk-tradeterminal-4-p-59? &namespace=`main_uk` &topic=`TradeTerminal`]]"
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