#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox
Local $sRegex = "(?m)(.*),(.*),(.*),(.*),(.*),(.*)"
Local $sString = "Address,Name,Lat,Long,2016 Sales,Type" & @CRLF & _
"48 Park Avenue, LATTON, SN6 4SZ,Nikki Yellowbeard,-23.17549,36.74641,9727,AA" & @CRLF & _
"IV21 1TD 116 Walwyn Rd CHARLESTOWN,Jonh Doe,-10.98309,156.41854,11932,AE"
Local $sSubst = ""
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