isAlphaDash static method

bool isAlphaDash(
  1. Map<String, dynamic> data,
  2. dynamic value,
  3. String args
)

check field is only with alphabetic, dash or underscore

Implementation

static bool isAlphaDash(
    Map<String, dynamic> data, dynamic value, String args) {
  RegExp alphaDashRegex = RegExp(r'^[a-zA-Z-_]+$');
  return alphaDashRegex.hasMatch(value.toString());
}