Description
int 
mb_ereg ( string pattern, string string [, array regs] )
     mb_ereg() executes the regular expression
     match with multibyte support, and returns 1 if matches are found.
     If the optional third parameter was specified, the function
     returns the byte length of matched part, and the array
     regs will contain the substring of matched
     string. The functions returns 1 if it matches with the empty
     string. If no matches found or error happend, FALSE will be
     returned.
    
     The internal encoding or the character encoding specified in
     mb_regex_encoding() will be used as character
     encoding.
    
     See also: mb_regex_encoding(),
     mb_eregi()