#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox
Local $sRegex = "(?sx)(?sx)" & @CRLF & _
"Container\("\w+"\)\.(?:TextCtrls|LabelCtrls)\("(?<ControlName>\w+)"\).Text"
Local $sString = "Container("Name1").TextCtrls("Name2").Text" & @CRLF & _
"Container("Name1").LabelCtrls("Name2").Text"
Local $sSubst = "\1\2"
Local $sResult = StringRegExpReplace($sString, $sRegex, $sSubst)
MsgBox($MB_SYSTEMMODAL, "Result", $sResult)
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