(PHP 4, PHP 5)
sql_regcase — Make regular expression for case insensitive match
Creates a regular expression for a case insensitive match.
The input string.
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.