C# string extensions methods wrapping common regex tasks.

StringRegexExtensions

public class StringRegexExtensions{ 
    
	/// <summary>
	/// Matches a string against a regular expression.
	/// </summary>
	/// <param name="self">The string self.</param>
	/// <param name="pattern">The regular expression.</param>
	/// <returns>True if it is match, otherwise false.</returns>
	public static bool IsMatch(this string self, string pattern) {
		return Regex.IsMatch(self, pattern);
	}
	/// <summary>
	/// Matches a string against a regular expression.
	/// </summary>
	/// <param name="self">The string self.</param>
	/// <param name="pattern">The regular expression.</param>
	/// <param name="opt">Options.</param>
	/// <returns>True if it is match, otherwise false.</returns>
	public static bool IsMatch(this string self, string pattern, RegexOptions opt) {
		return Regex.IsMatch(self, pattern, opt);
	}
	/// <summary>
	/// Replaces occurrences defined by a regular expression.
	/// </summary>
	/// <param name="self">The string self.</param>
	/// <param name="pattern">The regular expression.</param>
	/// <param name="substitution">The substitution string.</param>
	/// <returns>A string with replacements made.</returns>
	public static string RegexReplace(this string self, string pattern, string substitution) {
		return Regex.Replace(self, pattern, substitution);
	}
	/// <summary>
	/// Replaces occurrences defined by a regular expression.
	/// </summary>
	/// <param name="self">The string self.</param>
	/// <param name="pattern">The regular expression.</param>
	/// <param name="substitution">The substitution string.</param>
	/// <param name="opt">Options.</param>
	/// <returns>A string with replacements made.</returns>
	public static string RegexReplace(this string self, string pattern, string substitution, RegexOptions opt) {
		return Regex.Replace(self, pattern, substitution, opt);
	}
	/// <summary>
	/// Replaces occurrences defined by a regular expression.
	/// </summary>
	/// <param name="self">The string self.</param>
	/// <param name="pattern">The regular expression.</param>
	/// <param name="evaluator">A <see cref="MatchEvaluator"/> function that handles
	/// the replacements.</param>
	/// <returns>A string with replacements made.</returns>
	public static string RegexReplace(this string self, string pattern, MatchEvaluator evaluator) {
		return Regex.Replace(self, pattern, evaluator);
	}
	/// <summary>
	/// Replaces occurrences defined by a regular expression.
	/// </summary>
	/// <param name="self">The string self.</param>
	/// <param name="pattern">The regular expression.</param>
	/// <param name="evaluator">A <see cref="MatchEvaluator"/> function that handles
	/// the replacements.</param>
	/// <param name="opt">Regex options.</param>
	/// <returns>A string with replacements made.</returns>
	public static string RegexReplace(this string self, string pattern, MatchEvaluator evaluator, RegexOptions opt) {
		return Regex.Replace(self, pattern, evaluator, opt);
	}
}