using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?i)\b(?:Lake|Tree)\b.*\bMan\b|\bMan\b.*\b(?:Tree|Lake)\b";
string input = @" [0] => sth!Man!Tree!null
[1] => sth!Maning!AppTree!null
[2] => sth!Man!Lake!null
[3] => sth!Man!Tree!null
[4] => sth!Man!AppTree!null
[5] => sth!Maning!AppTree!null
[6] => sth!Man!Tree!null
[7] => sth!Maning!AppTree!null
[8] => sth!Maning!AppTree!null
[9] => sth!Man!Tree!null
[10] => sth!Man!Tree!null
[11] => sth!Man!Tree!null
[12] => sth!Man!Tree!null
[12] => sth!Man!Lake!null
[13] => sth!Maning!Tree!null";
foreach (Match m in Regex.Matches(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