preg_last_error

int preg_last_error ( void )

Returns the error code of the last PCRE regex execution

Returns the error code of the last PCRE regex execution.

 
<?php
if (preg_last_error() == PREG_NO_ERROR) { 
    print 'There is no error.';
}
else if (preg_last_error() == PREG_INTERNAL_ERROR) {
    print 'There is an internal error!';
}
else if (preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR) {
    print 'Backtrack limit was exhausted!';
}
else if (preg_last_error() == PREG_RECURSION_LIMIT_ERROR) {
    print 'Recursion limit was exhausted!';
}
else if (preg_last_error() == PREG_BAD_UTF8_ERROR) {
    print 'Bad UTF8 error!';
}
else if (preg_last_error() == PREG_BAD_UTF8_ERROR) {
    print 'Bad UTF8 offset error!';
}
?>