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 vote116 views1 answer
React bootstrap carousel caption placement top
Javascript React
0 vote107 views1 answer
Top bar in react js
Javascript React
0 vote146 views1 answer
Get size of a View in React Native
Javascript React
0 vote106 views1 answer
Altenrive for react native
Javascript React
0 vote145 views1 answer
React js bootstrap select option required
Javascript React
0 vote116 views6 answers
State functions of react cheatsheet
Javascript React
0 vote100 views1 answer
Installe datatable to reactjs project
Javascript React
0 vote105 views1 answer
React native stylesheet shortcut
Javascript React
1 vote103 views1 answer
React best way of forcing component to update
Javascript React
0 vote107 views1 answer
Clear form in react
Javascript React