using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?i)\bhttps?[-\w.\~:/?#[\]@!$&'()*+,;=]+|[@#](\w+)|U\+([A-F\d]{5})";
string input = @"This is a @ping and a #hash.
This is a www.example.com, this is http://example.com?asdf=1234#anchor
https://www.example.net/a/b/c/?g=5&awesome=foobar# U+23232 http://www5.example.com
https://sub.sub.www.example.org/ @pong@pug#tagged
http://example.com/@dave
more http://example.com/more_(than)_one_(parens)
andU+98765more http://example.com/blah_(wikipedia)#cite-1
and more http://example.com/blah_(wikipedia)_blah#cite-1
and more http://example.com/(something)?after=parens";
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