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Make regular expression for case insensitive match (PHP 4, PHP 5)
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 1900. 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.