public static void StringAsserts() { StringAssert.Clear(); String a = "Primeira contem Segunda"; String b = "Segunda"; String c = "segunda"; String d = "Primeira"; // Define a regular expression for repeated words. Regex rx = new Regex(@"\b(?<word>\w+)\s+(\k<word>)\b", RegexOptions.Compiled | RegexOptions.IgnoreCase); String reg = "The dog dog lazy fog"; StringAssert.Contains(a, b); StringAssert.Contains(a, c); StringAssert.EndsWith(a, b); StringAssert.EndsWith(a, c); StringAssert.StartsWith(a, d); StringAssert.StartsWith(a, c); StringAssert.DoesNotMatch(a, rx); StringAssert.DoesNotMatch(reg, rx); StringAssert.Matches(reg, rx); StringAssert.Matches(a, rx); }