using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace AroLibraries.ExtensionMethods.Strings { public static class CharExt { private static readonly char[] _Vowel=new char[]{'a','e','u','i','o'}; public static bool Ext_IsVowel(this Char iChar) { if (_Vowel.Contains(Char.ToLower(iChar))) { return true; } return false; } } }