quote function

String quote(
  1. String s
)

Implementation

String quote(String s) {
  if (s == '') { return '\'\''; }
  var unsafeRe = RegExp(r'[^\w@%\-+=:,./]');
  if (!unsafeRe.hasMatch(s)) { return s; }
  return '\'' + s.replaceAll('\'', '\'"\'"\'') + '\'';
}