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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 294374 $ -->
<refentry xml:id="solrutils.escapequerychars" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>SolrUtils::escapeQueryChars</refname>
<refpurpose>Escapes a lucene query string</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <modifier>static</modifier> <type>string</type><methodname>SolrUtils::escapeQueryChars</methodname>
<methodparam><type>string</type><parameter>str</parameter></methodparam>
</methodsynopsis>
<para>
Lucene supports escaping special characters that are part of the query syntax.
</para>
<para>The current list special characters are:</para>
<para>
<![CDATA[
+ - && || ! ( ) { } [ ] ^ " ~ * ? : \
]]></para>
<para>These characters are part of the query syntax and must be escaped</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>str</parameter></term>
<listitem>
<para>
This is the query string to be escaped.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the escaped string&return.falseforfailure;.
</para>
</refsect1>
</refentry>
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