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<FONT SIZE=1 COLOR=#660033>Microsoft® Visual Basic® Scripting Edition</FONT><BR>
<FONT SIZE=5 COLOR=#660033><B>InStrRev Function</B></FONT>
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<FONT SIZE=2> <A HREF="vbstoc.htm">Language Reference</A> <BR>
<A HREF="vbs16.htm">Version 2</A> <P></FONT>
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<A HREF="vbs126.htm">See Also</A></FONT>
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<H5>Description</H5>
<BLOCKQUOTE>
Returns the position of an occurrence of one string within another, from the end of string.
</BLOCKQUOTE>
<H5>Syntax</H5>
<BLOCKQUOTE>
<b>InStrRev(</b><i>string1</i><b>,</b> <i>string2</i>[<b>,</b> <i>start</i>[<b>,</b> <i>compare</i>]]<b>)</b><p>
The <b>InStrRev</b> function syntax has these parts:<p>
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<TD><FONT SIZE=2><b>Part</b></FONT></TD>
<TD><FONT SIZE=2><b>Description</b></FONT></TD></TR>
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<TD><FONT SIZE=2><i>string1</i></FONT></TD>
<TD><FONT SIZE=2>Required. <A HREF="vbs0.htm#defStringExpression">String expression</A> being searched.</FONT></TD></TR>
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<TD><FONT SIZE=2><i>string2</i></FONT></TD>
<TD><FONT SIZE=2>Required. String expression being searched for.</FONT></TD></TR>
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<TD><FONT SIZE=2><i>start</i></FONT></TD>
<TD><FONT SIZE=2>Optional. <A HREF="vbs0.htm#defNumericExpression">Numeric expression</A> that sets the starting position for each search. If omitted, -1 is used, which means that the search begins at the last character position. If <i>start</i> contains
<A HREF="vbs0.htm#defNull"><B>Null</B></A>, an error occurs. </FONT></TD></TR>
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<TD><FONT SIZE=2><i>compare</i></FONT></TD>
<TD><FONT SIZE=2>Optional. Numeric value indicating the kind of comparison to use when evaluating substrings. If omitted, a binary comparison is performed. See Settings section for values.</FONT></TD></TR>
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<H5>Settings</H5>
<BLOCKQUOTE>The <i>compare</i> argument can have the following values:<p>
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<TD WIDTH=15%><FONT SIZE=2><b>Constant</b></FONT></TD>
<TD WIDTH=10%><FONT SIZE=2><b>Value</b></FONT></TD>
<TD WIDTH="*"><FONT SIZE=2><b>Description</b></FONT></TD></TR>
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<TD WIDTH=15%><FONT SIZE=2><B>vbBinaryCompare</B></FONT></TD>
<TD ALIGN=CENTER WIDTH=10%><FONT SIZE=2>0</FONT></TD>
<TD WIDTH= "*"><FONT SIZE=2>Perform a binary comparison.</FONT></TD></TR>
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<TD WIDTH=15%><FONT SIZE=2><B>vbTextCompare</B></FONT></TD>
<TD ALIGN=CENTER WIDTH=10%><FONT SIZE=2>1</FONT></TD>
<TD WIDTH="*"><FONT SIZE=2>Perform a textual comparison.</FONT></TD></TR>
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</BLOCKQUOTE>
<H5>Return Values</H5>
<BLOCKQUOTE><B>InStrRev</B> returns the following values:<P>
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<TD><FONT SIZE=2><b>If</b></FONT></TD>
<TD><FONT SIZE=2><b>InStrRev returns</b></FONT></TD></TR>
<TR VALIGN=TOP><TD><FONT SIZE=2><i>string1</i> is zero-length</FONT></TD>
<TD><FONT SIZE=2>0</FONT></TD></TR>
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<TD><FONT SIZE=2><i>string1</i> is <b>Null</b></FONT></TD>
<TD><FONT SIZE=2><b>Null</b></FONT></TD></TR>
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<TD><FONT SIZE=2><i>string2</i> is zero-length</FONT></TD>
<TD><FONT SIZE=2><i>start</i></FONT></TD></TR>
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<TD><FONT SIZE=2><i>string2</i> is <b>Null</b></FONT></TD>
<TD><FONT SIZE=2><b>Null</b></FONT></TD></TR>
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<TD><FONT SIZE=2><i>string2</i> is not found</FONT></TD>
<TD><FONT SIZE=2>0</FONT></TD></TR>
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<TD><FONT SIZE=2><i>string2</i> is found within <i>string1</i></FONT></TD>
<TD><FONT SIZE=2>Position at which match is found</FONT></TD></TR>
<TR VALIGN=TOP>
<TD><FONT SIZE=2><i>start</i> > <b>Len(</b><i>string2</i><b>)</b></FONT></TD>
<TD><FONT SIZE=2>0</FONT></TD></TR></TABLE>
</BLOCKQUOTE>
<H5>Remarks</H5>
<BLOCKQUOTE>Note that the syntax for the <b>InStrRev</b> function is not the same as the syntax for the <b>InStr</b> function.
</BLOCKQUOTE>
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