#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox
Local $sRegex = "\b[A-Za-z2]+(?=\()(?![^']*'!)"
Local $sString = "=VLOOKUP($A9,'Summary'!$A$10:$C$30,3,FALSE)" & @CRLF & _
"=IFERROR((C10/B10),"N/A")" & @CRLF & _
"='New Chart Data (Date)'!L70" & @CRLF & _
"=IFERROR((C10/B10),Len(E30))" & @CRLF & _
"='New Chart Data(Date)'!L70 + (Len(5)&ROW())" & @CRLF & _
"=INDEX(C$3:C$12,MATCH(9^99,IF(MAX(IF(ABS($B$3:$B$12-$B18)=MIN(IF($A$3:$A$12=$A18,ABS($B$3:$B$12-$B18),999)),B$3:B$12))=IF(ABS($B$3:$B$12-$B18)=MIN(IF($A$3:$A$12=$A18,ABS($B$3:$B$12-$B18),999)),B$3:B$12),IF(ABS($B$3:$B$12-$B18)=MIN(IF($A$3:$A$12=$A18,ABS($B$3:$B$12-$B18),999)),C$3:C$12))))"
Local $sSubst = "6"
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