(PHP 4 >= 4.2.0, PHP 5)
mb_ereg — Regular expression match with multibyte support
$pattern
   , string $string
   [, array $regs
  ] )Executes the regular expression match with multibyte support.
   Executes the regular expression
   match with multibyte support, and returns 1 if matches are found.
   If the optional regs parameter was specified, the function
   returns the byte length of matched part, and the array
   regs will contain the substring of matched
   string. The function returns 1 if it matches with the empty
   string. If no matches are found or an error happens, FALSE will be
   returned.
  
Note:
The internal encoding or the character encoding specified by mb_regex_encoding() will be used as the character encoding for this function.