using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @/
\b(?:you|u) only live once\b
/;
string substitution = @"YOLO";
string input = @"- I'm not so sure about this tattoo, what if I regret it later?
- You only live once bro.
- Man, all this jumping out of buildings business is taking a toll on my body. Besides, it's pretty dangerous!
- Bro, you only live once!";
RegexOptions options = RegexOptions.Multiline | RegexOptions.IgnoreCase;
Regex regex = new Regex(pattern, options);
string result = regex.Replace(input, substitution);
}
}
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