# C1.Win.C1Input.MaskInfo.RegexpEditMask

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<h1 id="C1_Win_C1Input_MaskInfo_RegexpEditMask_" data-uid="C1.Win.C1Input.MaskInfo.RegexpEditMask*">RegexpEditMask Property
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<a id="C1_Win_C1Input_MaskInfo_RegexpEditMask_" data-uid="C1.Win.C1Input.MaskInfo.RegexpEditMask*"></a>
<h4 id="C1_Win_C1Input_MaskInfo_RegexpEditMask" data-uid="C1.Win.C1Input.MaskInfo.RegexpEditMask">RegexpEditMask</h4>
<div class="markdown level1 summary"><p>A <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a> representing the mask in regular expression style with custom keywords.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public string RegexpEditMask { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property RegexpEditMask As String</code></pre>
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