1 // ***********************************************************************
2 // Copyright (c) 2007 Charlie Poole
4 // Permission is hereby granted, free of charge, to any person obtaining
5 // a copy of this software and associated documentation files (the
6 // "Software"), to deal in the Software without restriction, including
7 // without limitation the rights to use, copy, modify, merge, publish,
8 // distribute, sublicense, and/or sell copies of the Software, and to
9 // permit persons to whom the Software is furnished to do so, subject to
10 // the following conditions:
12 // The above copyright notice and this permission notice shall be
13 // included in all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 // ***********************************************************************
25 #define NUNIT_FRAMEWORK
29 using System.Text.RegularExpressions;
31 namespace NUnit.Framework.Constraints
34 /// RegexConstraint can test whether a string matches
35 /// the pattern provided.
37 public class RegexConstraint : StringConstraint
40 /// Initializes a new instance of the <see cref="RegexConstraint"/> class.
42 /// <param name="pattern">The pattern.</param>
43 public RegexConstraint(string pattern) : base(pattern)
45 descriptionText = "String matching";
49 /// Test whether the constraint is satisfied by a given value
51 /// <param name="actual">The value to be tested</param>
52 /// <returns>True for success, false for failure</returns>
53 protected override bool Matches(string actual)
55 return actual != null && Regex.IsMatch(
58 this.caseInsensitive ? RegexOptions.IgnoreCase : RegexOptions.None);