Php/docs/function.sql-regcase
sql_regcase
(PHP 4, PHP 5)
sql_regcase — Make regular expression for case insensitive match
Warning This function was DEPRECATED in PHP 5.3.0, and REMOVED in PHP 7.0.0.
Alternatives to this function include:
Description
sql_regcase
( string $string
) : string
Creates a regular expression for a case insensitive match.
Parameters
string
- 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.
Examples
Example #1 sql_regcase() example
<?phpecho 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.