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<h1 id="hd_id3155934" dir="auto">InStr Function</h1>
<p id="par_id3153990" class="paragraph" dir="auto">Returns the position of a string within another string.</p>
<p id="par_id3147303" class="paragraph" dir="auto">The Instr function returns the position at which the match was found. If the string was not found, the function returns 0.</p>
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<h3 id="hd_id061420171139089682" dir="auto">Syntax:</h3>
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<div class="bascode" itemscope="true" itemtype="http://schema.org/SoftwareSourceCode" itemprop="codeSampleType" content="snippet" data-tooltip="Click on text to copy to clipboard"><pre dir="auto"><code class="language-visual-basic line-numbers">
InStr ([Start As Long,] String1 As String, String2 As String[, Compare]) As Integer
</code></pre></div>
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<h3 id="hd_id061420171139087480" dir="auto">Return value:</h3>
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<p id="par_id3149763" class="paragraph" dir="auto">Integer</p>
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<h3 id="hd_id061420171139084157" dir="auto">Parameters:</h3>
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<p id="par_id3153126" class="paragraph" dir="auto"> <span class="emph">Start</span>: A numeric expression that marks the position in a string where the search for the specified substring starts. If you omit this parameter, the search starts at the first character of the string. The minimum allowed value is 1. The maximum allowed value is 2,147,483,648.</p>
<p id="par_id3145609" class="paragraph" dir="auto"> <span class="emph">String1</span>: The string expression that you want to search.</p>
<p id="par_id3147559" class="paragraph" dir="auto"> <span class="emph">String2</span>: The string expression that you want to search for.</p>
<p id="par_id3154758" class="paragraph" dir="auto"> <span class="emph">Compare</span>: Optional numeric expression that defines the type of comparison. The value of this parameter can be 0 or 1. The default value of 1 specifies a text comparison that is not case-sensitive. The value of 0 specifies a binary comparison that is case-sensitive.</p>
<p id="par_id3153361" class="paragraph" dir="auto">To avoid a run-time error, do not set the Compare parameter if the first optional parameter is omitted.</p>
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<h3 id="hd_id3152869" dir="auto">Error codes:</h3>
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<div class="embedded"><p class="embedded" dir="auto">5 Invalid procedure call</p></div>
<h2 id="hd_id3154366" dir="auto">Example:</h2>
<div class="bascode" itemscope="true" itemtype="http://schema.org/SoftwareSourceCode" itemprop="codeSampleType" content="snippet" data-tooltip="Click on text to copy to clipboard"><pre dir="auto"><code class="language-visual-basic line-numbers">
Sub ExamplePosition
Dim sInput As String
Dim iPos As Integer
sInput = "Office"
iPos = Instr(sInput,"c")
Print iPos
End Sub
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