MongoRegex
MongoRegex::__toString
MongoRegex
PHP Manual

# MongoRegex::__construct

Creates a new regular expression

### Description

public MongoRegex::__construct ( string `$regex` )

Creates a new regular expression.

### Parameters

`regex`

  Regular expression string of the form /expr/flags.

### Return Values

Returns a new regular expression.

### Examples

Example #1 MongoRegex::__construct example

This example uses a regular expression to query for all documents with a username field starting (^) with an l and a vowel ([aeiouy]), case-insensitive (/i).

`<?php
$luke_search = new MongoRegex("/^l[aeiouy]/i");
$cursor = $collection->find(array("username" => $luke_search));
?>`

### See Also

- MongoRegex::__toString