Compatible with: Android, iOS, Windows, Web and Expo
NPM version npm download js-standard-style
Github: https://github.com/marcocesarato/react-native-input-validator
Author: Marco Cesarato
This library validates strings and number passed on TextInput component and highlight the result (valid green, invalid red).
Just run the following command line:
npm install react-native-input-validator --save
yarn add react-native-input-validator
import TextInput from "react-native-input-validator";
// Import import TextInput from "react-native-input-validator";
// Example <InputValidator onRef={(r) => { this.input = r; }} type="email" value={this.state.value} style={styles.input} onChangeText={(text) => { this.setState({value: text}); }}> <Text>Default</Text> </InputValidator>
// Check Validation this.input.isValidated(); // Faster: Check validation state this.input.isValid(); // Alternative safer: Validate and check validation state
// Import import TextInput from "react-native-input-validator";
// Example <InputText onRef={(r) => { this.input = r; }} type="email" value={this.state.value} style={styles.input} onChangeText={(text) => { this.setState({value: text}); }} />
// Check Validation this.input.isValidated(); // Faster: Check validation state this.input.isValid(); // Alternative safer: Validate and check validation state
Clone or download repo and after:
cd Example yarn install # or npm install expo start
Open Expo Client on your device. Use it to scan the QR code printed by expo start. You may have to wait a minute while your project bundles and loads for the first time.
- phone
- url
- currency
- postal-code
- hex-color
- identity-card
- credit-card
- numeric
- integer | int
- real | float
- decimal
- alpha
- alphanumeric
Same of TextInput like onChangeText etc...
Read more here: https://facebook.github.io/react-native/docs/textinput.html 
| Additional Handlers | Description | Type | Default | Note | 
|---|---|---|---|---|
| onRef | Reference of the TextInput instance | Function | Important for validate fields | 
Same of TextInput like focus(), clear(), blur() etc...
Read more here: https://facebook.github.io/react-native/docs/textinput.html 
| Additional Methods | Description | Type | Default | Note | 
|---|---|---|---|---|
| isValidated | Check if state of TextInput is valid | Bool | ||
| isValid | Validate the TextInput and return the validation state | Bool | 
Same of TextInput like editable, autoFocus etc...
Read more here: https://facebook.github.io/react-native/docs/textinput.html 
| Additional Property | Description | Type | Default | Note | 
|---|---|---|---|---|
| type | Type of input | String | dafault | |
| symbol | Symbol for currencytype | String | ||
| locale | For better validation can be useful for some type like postal-code,identity-cardetc... | String | Locale is one of ['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'el-GR', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'es-ES', 'fr-FR', 'hu-HU', 'it-IT', 'ku-IQ', 'nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'sl-SI', 'sk-SK', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'tr-TR', 'uk-UA'] | 
| Property | Description | Type | Default | Note | 
|---|---|---|---|---|
| style | Input style | Object | ||
| labelStyle | Label Style (placeholder) | Object | Only using InputValidator | |
| containerStyle | Container Style | Object | Only using InputValidator | |
| validStyle | Input Style when valid | Object | ||
| invalidStyle | Input Style when invalid | Object | 
Have an idea? Found a bug? Please raise to ISSUES. Contributions are welcome and are greatly appreciated! Every little bit helps, and credit will always be given.