POSIX Regex Functions
PHP Manual


(PHP 4, PHP 5)

sql_regcaseMake regular expression for case insensitive match


This function was DEPRECATED in PHP 5.3.0, and REMOVED in PHP 7.0.0.

Alternatives to this function include:


string sql_regcase ( string $string )

Creates a regular expression for a case insensitive match.



The input string.

Return Values

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.


Example #1 sql_regcase() example

echo sql_regcase("Foo - bar.");

The above example will output:

[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.

POSIX Regex Functions
PHP Manual