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Documentation for Regular Expressions (PHP-834)

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@330350 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Derick Rethans 2013-05-24 22:18:15 +00:00
parent 1fc0b05670
commit 7f70d72ea6
2 changed files with 29 additions and 31 deletions
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47
reference/mongo/mongoregex.xml
View file

@ -17,55 +17,52 @@
More unusually, they can be saved to the database and retrieved.
</para>
<para>
Mongo recognizes six regular expression flags:
Regular expressions consist of four parts. First a <literal>/</literal>
as starting delimiter, then then pattern, another <literal>/</literal>
and finally a string containing flags.
</para>
<para>
<example>
<title>Regular expression pattern</title>
<screen>
<![CDATA[
/pattern/flags
]]>
</screen>
</example>
</para>
<para>
MongoDB recognizes six regular expression flags:
</para>
<itemizedlist>
<listitem>
<para>
<literal>i</literal>
</para>
<para>
Case insensitive
<literal>i</literal>: Case insensitive
</para>
</listitem>
<listitem>
<para>
<literal>m</literal>
</para>
<para>
Multiline
<literal>m</literal>: Multiline
</para>
</listitem>
<listitem>
<para>
<literal>x</literal>
</para>
<para>
Can contain comments
<literal>x</literal>: Can contain comments
</para>
</listitem>
<listitem>
<para>
<literal>l</literal>
</para>
<para>
locale
<literal>l</literal>: locale
</para>
</listitem>
<listitem>
<para>
<literal>s</literal>
</para>
<para>
dotall, "." matches everything, including newlines
<literal>s</literal>: dotall, "." matches everything, including newlines
</para>
</listitem>
<listitem>
<para>
<literal>u</literal>
</para>
<para>
match unicode
<literal>u</literal>: match unicode
</para>
</listitem>
</itemizedlist>

13
reference/mongo/mongoregex/construct.xml
View file

@ -28,7 +28,7 @@
</term>
<listitem>
<para>
Regular expression string of the form /expr/flags.
Regular expression string of the form <literal>/expr/flags</literal>.
</para>
</listitem>
</varlistentry>
@ -48,14 +48,15 @@
<para>
<example>
<title><function>MongoRegex::__construct</function> example</title>
<para>This example uses a regular expression to query for all documents with a username field matching a regular expression.</para>
<para>This example uses a regular expression to query for all documents
with a username field starting (<literal>^</literal>) with an
<literal>l</literal> and a vowel (<literal>[aeiouy]</literal>),
case-insensitive (<literal>/i</literal>).</para>
<programlisting role="php">
<![CDATA[
<?php
$joe_search = new MongoRegex("/j[o0]e/i");
$cursor = $collection->find(array("username" => $joe_search));
$luke_search = new MongoRegex("/^l[aeiouy]/i");
$cursor = $collection->find(array("username" => $luke_search));
?>
]]>
</programlisting>