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# sql_regcase

(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

sql_regcase -- Make regular expression for case insensitive match

## Description

``string sql_regcase` (string string)`

Returns a valid regular expression which will match `string`, ignoring case. This expression is `string` with each character converted to a bracket expression; this bracket expression contains that character's uppercase and lowercase form if applicable, otherwise it contains the original character twice.

Example 1. sql_regcase() Example
    echo sql_regcase ("Foo bar");

prints

    [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.

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