POSIX Regex Функции
PHP Manual

sql_regcase

(PHP 4, PHP 5)

sql_regcaseMake regular expression for case insensitive match

Описание

string sql_regcase ( string $string )

Creates a regular expression for a case insensitive match.

Предупреждение

Тази функция е НЕПРЕПОРЪЧИТЕЛНА от PHP 5.3.0 и ПРЕМАХНАТА след PHP 6.0.0. Да се разчита на тази възможност е силно непрепоръчително.

Параметри

string

The input string.

Връщани стойности

Returns a valid regular expression which will match string , ignoring case. This expression is string with each alphabetic character converted to a bracket expression; this bracket expression contains that character's uppercase and lowercase form. Other characters remain unchanged.

Примери

Example #1 sql_regcase() example

<?php
echo sql_regcase("Foo - bar.");
?>

Примерът по-горе ще изведе:

[Ff][Oo][Oo] - [Bb][Aa][Rr].

This can be used to achieve case insensitive pattern matching in products which support only case sensitive regular expressions.

Бележки

Забележка: As of PHP 5.3.0 the regex extension is deprecated, calling this function will issue an E_DEPRECATED notice.


POSIX Regex Функции
PHP Manual