Return the substring after but not including the last instance of 'c'. - CSharp System

Description

Return the substring after but not including the last instance of 'c'.

Demo Code

using System;/* ww w  .j  av a  2 s.com*/

public class Main{
        /// <summary>
        /// Return the substring after but not including the last instance of 'c'.
        /// </summary>
        /// <param name="src">The source string.</param>
        /// <param name="c">The character to look for.</param>
        /// <returns>The substring after but not including the last instance of 'c'. If 'c' is not found, the entire string is returned.</returns>
		public static string SubstringAfterLast (this String src, char c) {
			if (String.IsNullOrEmpty(src)) return "";
 
			int idx = Math.Min(src.Length - 1, src.LastIndexOf(c) + 1);
			if (idx < 0) return src;
			return src.Substring(idx);
		}
}

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