using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"((?:https?:\/\/)?(?:www\.)?(?:\S+)?(?:\.\S+)?\.(?:com|io)(?:\/\S+)?(?:\?[\S]+)?)";
string input = @"test.com
https://test.com
www.test.com
test.com/2022/test-test/123x456?test&test
test.com?test&123
subdomain.test.com?test&123
www.subdomain.test.com?test&123
test.io
https://test.io
www.test.io
test.io/2022/test-test/123x456?test&test
test.io?test&123
subdomain.test.io?test&123
www.subdomain.test.io?test&123
test.
test..
test...
test....
.test
..test
...test
....test
test.test
test..test
test...test
test....test
";
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