te<span id="LSTAD0637F6_0" data-languageSpecificText="cpp=::|nu=."></span>Validation<wbr />Pattern Property</h1><div class="summary">
            Gets or sets a regular expression pattern used to determine if argument value(s) is valid.
            <p>
            Note that you can specify regular expression options inline in the pattern with the syntax <span class="code">(?imnsx-imnsx)</span>:
            <div class="codeSnippet"><div class="codeHeader"><span class="codeHeaderTitle">C#</span><button class=