using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^https?:\/\/[A-Za-z0-9:/.]+(?:([ ,;])https?:\/\/[A-Za-z0-9:/.]+(?:\1[A-Za-z0-9:/.]+)*)?$";
string input = @"e.g this should match as it only uses one type of special character (semi-colon):
https://hello.com/example1;https://hello.com.com/example2;https://hello.com.com/example3
This should fail as it mixes two types of special characters (space and semi-colon)
https://hello.com/example1; https://hello.com.com/example2 ;https://hello.com.com/example3
https://hello.com/example1
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