#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox
Local $sRegex = "("Data": \[{".*})","
Local $sString = "[so much data exists in the same single line ] ,"Comments": "New alert", "Data": [{"etype":"MalwareFamily","at":"2024-06-21T11:34:07.0000000Z","md":"2024-06-21T11:34:07.0000000Z","Investigations":[{"$id":"1","Id":"urn:ZappedUrlInvestigation:2cc87ae3","InvestigationStatus":"Running"}],"InvestigationIds":["urn:ZappedUrlInvestigation:2cc8782d063"],"Intent":"Probing","ResourceIdentifiers":[{"$id":"2","AadTenantId":"2dfb29-729c918","Type":"AAD"}],"AzureResourceId":null,"WorkspaceId":null,"Metadata":{"CustomApps":null,"GenericInfo":null},"Entities":[{"$id":"3","MailboxPrimaryAddress":"abc@gmail.com","Upn":"abc@gmail.com","AadId":"6eac3b76357","RiskLevel":"None","Type":"mailbox","Urn":"urn:UserEntity:10338af2b6c","Source":"TP","FirstSeen":"0001-01-01T00:00:00"}, "StartTimeUtc": "2024-06-21T10:12:37", "Status": "Investigation Started"}", "EntityType": "MalwareFamily", [so much data exists in the same single line ]" & @CRLF & _
""
Local $sSubst = "$1],"
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