C# equivalent to preg_match and preg_replace

gistfile1.cs

/// <summary>
/// .NET C# equivalent to PHP preg_match and preg_replace
/// </summary>
public static class RegexExtensions
{
    /// <summary>
    /// Equivalent to PHP preg_match but only for 3 requied parameters
    /// </summary>
    /// <param name="regex"></param>
    /// <param name="input"></param>
    /// <param name="matches"></param>
    /// <returns></returns>
    public static bool preg_match(this Regex regex, string input, out List<string> matches)
    {
        var match = regex.Match(input);
        var groups = (from object g in match.Groups select g.ToString()).ToList();

        matches = groups;
        return match.Success;
    }


    /// <summary>
    /// Equivalent to PHP preg_replace
    /// <see cref="http://stackoverflow.com/questions/166855/c-sharp-preg-replace"/>
    /// </summary>
    /// <param name="input"></param>
    /// <param name="pattern"></param>
    /// <param name="replacements"></param>
    /// <returns></returns>
    public static string preg_replace(this string input, string[] pattern, string[] replacements)
    {
        if (replacements.Length != pattern.Length)
            throw new ArgumentException("Replacement and Pattern Arrays must be balanced");

        for (var i = 0; i < pattern.Length; i++)
        {
            input = Regex.Replace(input, pattern[i], replacements[i]);
        }

        return input;
    }
}

Very nice!

Thank you.