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    MongoRegex 类

    (PECL mongo >=0.8.1)

    Warning

    This extension that defines this class is deprecated. Instead, the MongoDB extension should be used. Alternatives to this class include:

    简介

    这个类用于创建一个正则表达式。 通常这些表达式用于查询数据库中匹配的字符串。不常用的是，它们可以保存到数据库并用于检索。

    正则表达式由四部分组成。 首先 / 作为起始的分隔符，然后是 pattern、另一个 / 以及最后包含 flag 的字符串。

    Example #1 正则表达式

    /pattern/flags

    Mongo 能够识别六种正则表达式标记（flag）：

    • i：大小写不敏感

    • m：多行

    • x：能够包含注释

    • l：语言环境

    • s：dotall，"." 匹配任何字符，包括换行符。

    • u：匹配 Unicode

    类摘要

    MongoRegex {
    /* 字段 */
    public string regex ;
    public string flags ;
    /* 方法 */
    public __construct ( string $regex )
    public __toString ( void ) : string
    }

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    User Contributed Notes 3 notes

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    3
    vinicius at codemakers dot com dot br
    10 years ago
    /*
    Use the "i" option to make searches with Case Insensitive
    Find results beginning with $q
    */

    $search = "V";

    // Case Sensitive

    $where = array('name' => array('$regex' => new MongoRegex("/^$search/")));
    $cursor = $collection->find($where);

    //Case Insensitive

    $where = array('name' => array('$regex' => new MongoRegex("/^$search/i")));
    $cursor = $collection->find($where);
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    2
    thusitha555 at gmail dot com
    10 years ago
    here is an example for case insensitive search.If there are two fields (user_name/company_name) in collection;
    <?php
    $search_string    ='baR';
    $searchQuery = array(
                    '$or' => array(
                    array(
                            'user_name' => new MongoRegex("/^$search_string/i"),
                        ),
                    array(
                            'company_name' => new MongoRegex("/^$search_string/i"),
                        ),
                    )
                );

    $cursor = $customers->find($searchQuery);
    ?>
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    0
    benyounes dot ousama at gmail dot com
    14 years ago
    First you must declare and define your regexObj
    Here I am looking for all entry of my database wich is like "%Nicolas%" and the /i param is used for Insensitive Case
    $regexObj = new MongoRegex("/^Nicolas/i");

    <?php
    // I attach the regexObj to my Where Condition
    $where = array("ctname" => $regexObj);

    // Execute the request
    $resultset = $this->db->Infos->find($where);

    // Parsing the results
    while ($resultset->hasNext())
    {
                 $clientObj = $resultset->getNext();
              echo     "Client Name: ".$clientObj["cname"]."</br>";
    }
    ?>
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