function fbmcc_sanitize_locale()

in options.php [71:77]

• 7 lines of code
• 2 McCabe index (conditional complexity)

function fbmcc_sanitize_locale($input) {
  if ( preg_match('/^[A-Za-z_]{4,5}$/', $input) ){
    return $input;
  } else {
    return '';
  }
}