simple_form_field_validator
Simple helper for easily validating form fields.
For example:
TextFormField(
controller: _email,
decoration: const InputDecoration(
labelText: 'Enter email address to register or sign in.',
hintMaxLines: 2,
),
keyboardType: TextInputType.emailAddress,
textCapitalization: TextCapitalization.none,
textInputAction: TextInputAction.send,
validator: SValidator.notEmpty(
msg: 'Please enter a valid email address.') +
SValidator.email(msg: 'Please enter a valid email address.')
as String? Function(String?)?,
),