using System; namespace TheXamlGuy.Framework.Core { public static class StringExtensions { public static int CountSubstring(this string text, string textToMatch, StringComparison stringComparison) { int count = 0; int minIndex = text.IndexOf(textToMatch, 0, stringComparison); while (minIndex != -1) { minIndex = text.IndexOf(textToMatch, minIndex + textToMatch.Length, stringComparison); count++; } return count; } } }