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    MongoDB\BSON\Regex::__construct

    (mongodb >=1.0.0)

    MongoDB\BSON\Regex::__construct — Construct a new Regex

    Descripción

    final public MongoDB\BSON\Regex::__construct(string $pattern, string $flags = "")

    Parámetros

    pattern (string)

    The regular expression pattern.

    Nota: The pattern should not be wrapped with delimiter characters.

    flags (string)

    The » regular expression flags. Characters in this argument will be sorted alphabetically.

    Errores/Excepciones

    Historial de cambios

    Versión Descripción
    PECL mongodb 1.2.0

    The flags argument is optional and defaults to an empty string.

    Characters in the flags argument will be sorted alphabetically when a Regex is constructed. Previously, the characters were stored in the order provided.

    MongoDB\Driver\Exception\InvalidArgumentException is thrown if pattern or flags contain null bytes. Previously, values would be truncated at the first null byte.

    Ejemplos

    Ejemplo #1 MongoDB\BSON\Regex::__construct() example

    <?php

    $regex     = new MongoDB\BSON\Regex('^foo', 'i');
    var_dump($regex);

    ?>

    El resultado del ejemplo sería:

    object(MongoDB\BSON\Regex)#1 (2) {
  ["pattern"]=>
  string(4) "^foo"
  ["flags"]=>
  string(1) "i"
}

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    User Contributed Notes 1 note

    up
    5
    Alejandro Wilcke
    5 years ago
    This matches with any fieldName that includes the string:
    $mongoRegex = new MongoDB\BSON\Regex("$string", "i");

    This matches with any fieldName that STARTS with the string:
    $mongoRegex = new MongoDB\BSON\Regex("^$string", "i");

    $cursor = $collection->find( [ 'fieldName' => $mongoRegex ] );

    $docs = [];

    foreach($cursor as $doc){
    $docs[] = $doc;
    }

    return $docs;
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