eregi
    (PHP 3, PHP 4 )
eregi -- case insensitive regular expression match
Description
int 
eregi ( string pattern, string string [, array regs])
     This function is identical to ereg() except
     that this ignores case distinction when matching alphabetic
     characters.
     
| Példa 1. eregi() example | if (eregi("z", $string)) {
    echo "'$string' contains a 'z' or 'Z'!";
} | 
 | 
    
     See also ereg(),
     ereg_replace(), and
     eregi_replace().