using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^Event:\s+(?|\S+\s+\S+\s+(\S+)|(Started Flapping))$";
string input = @"Input 1:
Event: Started Flapping
Regex 1:
Output 1:
Started Flapping
Input 2:
Event: CRIT -> OK
Regex 2:
^Event:\s+\S+\s+\S+\s+(\S+)
Ouput 2:
OK
The Regex i tried ";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
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