using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<date>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d{3}Z)\s+(?<src>\w+)\s+CEF:(?<version>\d+)\|(?<device_vendor>\w+)\|(?<device_product>\w+)\|(?<device_version>[\d.]*)\|(?<signature_id>[\w\d]*)";
string input = @"2018-12-13T10:25:52.647Z imdgnparser01 CEF:0|MCAS|SIEM_Agent|0.138.173|EVENT_CATEGORY_AZURE_OPERATION|Azure operation|0|externalId=ffc53f2d8811bde87ee94bb86dc062442ec48df5303dd262e424ceeeecba8f91 rt=1544696752647 start=1544696752647 end=1544696752647 msg=ListAccountSas StorageAccounts: resource phastneprd02 - Started suser=11c174dc-1945-4a9a-a36b-c79a0f246b9b destinationServiceName=Microsoft Azure dvc=13.94.250.141 requestClientApplication= cs1Label=portalURL cs1=https://starsweb.eu2.portal.cloudappsecurity.com/#/audits?activity.id\=eq(ffc53f2d8811bde87ee94bb86dc062442ec48df5303dd262e424ceeeecba8f91,) cs2Label=uniqueServiceAppIds cs2=APPID_AZURE cs3Label=targetObjects cs3=phastneprd02,Microsoft.Storage/storageAccounts,DWH_DataPlatform,,Operation status,Windows Azure Application Insights cs4Label=policyIDs cs4= c6a1Label=""Device IPv6 Address"" c6a1=#015";
Match m = Regex.Match(input, pattern);
Console.WriteLine("'{0}' found at index {1}", m.Value, m.Index);
}
}
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 C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx