using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^\w+:\K\w.*";
string input = @"this string should not match
bob_1:Hi. I'm Bob. I speak русский and this string should match
alice:Hi Bob. I speak 한국어 and this string should also match
http://example.com - would prefer to not match URLs
This string:should not match because no spaces or capital letters are allowed left of the colon";
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