React input number

    <input type="text" pattern="[0-9]*"
     onInput={this.handleChange.bind(this)} value={this.state.financialGoal} />

Source: stackoverflow.com

React input number validation

// Validation with REGEX
const rx_live = /^[+-]?\d*(?:[.,]\d*)?$/;

class TestForm extends React.Component {
  constructor() {
    super();
    this.state = {
      depositedAmount: ''
    };
  }

  handleDepositeAmountChange = (evt) => {
    if (rx_live.test(evt.target.value))
        this.setState({ depositedAmount : evt.target.value });
 }
  
  render() {
    return (
      <form>
       <input
        type="text"
        id="depositedAmount"
        maxLength={9}
        pattern="[+-]?\d+(?:[.,]\d+)?"
        placeholder="Enter amount"
        onChange={this.handleDepositeAmountChange}
        value={this.state.depositedAmount}
       />
      </form>
    )
  }
}

Source: stackoverflow.com

Similar codes

5 votes244 views1 answer
React native break line text if too big
Javascript React
2 votes163 views1 answer
React higher order components
Javascript React
2 votes191 views2 answers
React material ui media queries
Javascript React
1 vote188 views2 answers
Toast in react native
Javascript React
10 votes247 views2 answers
Failed to compile ./src/App.js Module not found: Can't resolve 'react-router-dom
Javascript React
0 vote206 views1 answer
React native Setting a timer for a long period of time
Javascript React
0 vote201 views1 answer
Check uncek react-bootstrap-table reactjs
Javascript React
1 vote198 views2 answers
React datepicker documentation
Javascript React
6 votes197 views1 answer
What is key in react
Javascript React
19 votes290 views6 answers
Convert svg to react component
Javascript React