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

32 votes371 views1 answer
Install react router in react app
Javascript React
0 vote370 views1 answer
React native dynamic style
Javascript React
4 votes403 views2 answers
Defining functions in react
Javascript React
18 votes347 views6 answers
Import svg react
Javascript React
64 votes345 views6 answers
Router react
Javascript React
-5 votes368 views3 answers
Use ref in component reactjs
Javascript React
0 vote469 views1 answer
Link externo no react
Javascript React
2 votes338 views3 answers
There might be a problem with the project dependency tree. It is likely not a bug in Create React App, but something you need to fix locally.
Javascript React
1 vote386 views3 answers
Linear gradient react native
Javascript React
0 vote379 views1 answer
S3 private image getobject react js
Javascript React