# C1.DataCollection.FilterExpression.FromString

## Content

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<h1 id="C1_DataCollection_FilterExpression_FromString_" data-uid="C1.DataCollection.FilterExpression.FromString*">FromString Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_DataCollection_FilterExpression_FromString_" data-uid="C1.DataCollection.FilterExpression.FromString*"></a>
<h4 id="C1_DataCollection_FilterExpression_FromString_System_String_System_Collections_Generic_IEnumerable_System_String__System_Boolean_System_Boolean_System_Boolean_" data-uid="C1.DataCollection.FilterExpression.FromString(System.String,System.Collections.Generic.IEnumerable{System.String},System.Boolean,System.Boolean,System.Boolean)">FromString(string, IEnumerable&lt;string&gt;, bool, bool, bool)</h4>
<div class="markdown level1 summary"><p>Creates a <a class="xref" href="C1.DataCollection.FilterExpression.html">FilterExpression</a> from a string.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public static FilterExpression? FromString(string query, IEnumerable&lt;string&gt; fields, bool treatSpacesAsAndOperator = true, bool matchCase = false, bool matchWholeWord = false)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Shared Function FromString(query As String, fields As IEnumerable(Of String), Optional treatSpacesAsAndOperator As Boolean = True, Optional matchCase As Boolean = False, Optional matchWholeWord As Boolean = False) As FilterExpression</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><span class="parametername">query</span></td>
      <td><p>The query to be filtered.</p>
</td>
    </tr>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a>&gt;</td>
      <td><span class="parametername">fields</span></td>
      <td><p>The fields taken into account in the filter operation.</p>
</td>
    </tr>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">treatSpacesAsAndOperator</span></td>
      <td><p>If set to <code>true</code> treat spaces as and operator.</p>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">matchCase</span></td>
      <td><p>If set to <code>true</code> the case will be taken into account.</p>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">matchWholeWord</span></td>
      <td><p>If set to <code>true</code> the whole word will have to be matched.</p>
</td>
    </tr>
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<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
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  </thead>
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    <tr>
      <td><a class="xref" href="C1.DataCollection.FilterExpression.html">FilterExpression</a></td>
      <td></td>
    </tr>
  </tbody>
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