numeric static method
Implementation
static Map<String, String>? numeric(AbstractControl control) {
if (Validators.required(control) != null) return null;
if (control.value is num) {
return null;
} else {
try {
num.parse(control.value as String);
} on FormatException {
return {
'error': Intl.message('Enter a numeric value',
name: 'fo_validator_error_numeric')
};
}
return null;
}
}