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

0 vote229 views1 answer
React native star rating component
Javascript React
2 votes265 views2 answers
Select field in react native
Javascript React
0 vote224 views1 answer
Render object id in an array reactjs from database
Javascript React
-1 vote232 views1 answer
React check if browser is in dark mode
Javascript React
1 vote219 views1 answer
Document not intialized react js
Javascript React
3 votes188 views1 answer
React tooltip data-tip
Javascript React
0 vote250 views1 answer
Import batch from 'react-redux'
Javascript React
0 vote231 views1 answer
Usb react native device not found
Javascript React
0 vote207 views1 answer
React native set variable key in loop
Javascript React
13 votes200 views10 answers
React navigation
Javascript React