using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"The\s*quick\s*brown\s*fox\s*jump(s|a)?\s*over\s*the\s*lazy\s*(cat|dog)";
string input = @"The quick brown fox jumpa over the lazy dog
The quick brown fox jump over the lazy dog
The quick brown fox jump over the lazy cat
The quick brown fox jumpa over the lazy cat
The quickbrownfoxjumpaoverthe lazy cat";
RegexOptions options = RegexOptions.IgnoreCase;
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