// ReSharper disable once CheckNamespace namespace System { public static partial class StringExtensions { public static string TrimStart(this string s, string trimString) { if (trimString.StartsWith(trimString)) { return s[trimString.Length..]; } else { return s; } } public static string TrimEnd(this string s, string trimString) { if (trimString.EndsWith(trimString)) { return s.Substring(0, s.Length - trimString.Length); } else { return s; } } } }