#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox
Local $sRegex = "(Data\": )\""
Local $sString = "Event 1 : " & @CRLF & _
"=========" & @CRLF & _
"Input Event : [so much data exists in the same single line ] ,\"Comments\": \"New alert\", "Data": "{\"etype\":\"MalwareFamily\",\"at\":\"2024-06-21T11:34:07.0000000Z\",\"md\":\"2024-06-21T11:34:07.0000000Z\",\"Investigations\":[{\"$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 & _
"" & @CRLF & _
"Event 2 : " & @CRLF & _
"=======" & @CRLF & _
"[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\":[{\"$id\":\"3\",\"MailboxPrimaryAddress\":\"abc@gmail.com\",\"Upn\":\"abc@gmail.com\",\"AadId\":\"6eac3b76357\",\"RiskLevel\":\"None\",\"Type\":\"mailbox\",\"Urn\":\"urn:UserEntity:10338af2b6c\",\"Source\":\"TP\",\"FirstSeen\":\"0001-01-01T00:00:00\"}, \"StartTimeUtc\": \"2024-06-21T10:12:37\", \"Status\": \"Investigation Started\"}","ids": [9654,"78b3"], [so much data exists in the same single line ]" & @CRLF & _
"" & @CRLF & _
"Event 3 : " & @CRLF & _
"==========" & @CRLF & _
"" & @CRLF & _
"[so much data exists in the same single line ] ,\"Comments\": \"New alert\", "Data": "{\"etype\":\"MalwareFamily\",\"at\":\"2024-06-21T11:34:07.0000000Z\",\"md\":\"2024-06-21T11:34:07.0000000Z\",\"Investigations\":[{\"$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\"}","Name": "Phishing Categroy", [so much data exists in the same single line ]" & @CRLF & _
"" & @CRLF & _
"======" & @CRLF & _
"" & @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