PHP: sql_regcase

Description

string sql_regcase ( string 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

<?php 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.

User Contributed Notes
sql_regcase

edge at gts dot smtn dot stavropol dot ru
25-Jun-2003 08:56


work, if you set right locale:



setlocale(LC_CTYPE,"ru_RU.KOI8-R");



print sql_regcase("&#1062;ffnung");



will output:

"[&#1062;&#1094;][Ff][Ff][Nn][Uu][Nn][Gg]"

m-blueml__NO at SPAM__imagetype dot de
01-Oct-2002 06:29


Will not work with special Characters like ö,ä and ü.



print sql_regcase("Öffnung"); 

will output:

"Ö[Ff][Ff][Nn][Uu][Nn][Gg]"



Markus

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