Tagged with #input-validation

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Flutter TextField Validation: How to work with TextEditingController, Form, and TextFormField

Flutter TextField Validation: How to work with TextEditingController, Form, and TextFormField

11 min read
#dart
#flutter
#input-validation

A tutorial about text input validation, showing how to work with TextField, TextEditingController, Form, TextFormField as well as their tradeoffs.

Flutter: Input Validation with RegExp

Flutter: Input Validation with RegExp

1 min read
#flutter
#dart
#input-validation

Overview of regular expressions (regex). How to implement a Regex validator in Dart and integrate it with Flutter's TextField widget, so that we can validate user input.

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