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      <div class="notice">Legacy Documentation. View <a href="https://docs.nunit.org">NUnit 3 Documentation</a></div>
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<h2>String Constraints (NUnit 2.4)</h2>

<p>String constraints perform tests that are specific to strings.
   Attempting to test a non-string value with a string constraint
   is an error and gives an exception.

<p>The <b>Text</b>