screen_rotation
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<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.production.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script> </head> <body> <div id="app"></div> <script type="text/babel"> const { useState } = React; function App() { const [inputValue, setInputValue] = useState(''); const [error, setError] = useState(false); const handleChange = (event) => { const value = event.target.value; const sanitizedValue = value.replace(/[^\w\s]/gi, ''); // Regex to remove special characters setInputValue(sanitizedValue); setError(value !== sanitizedValue ? true : false); }; return ( <div className='container'> <h4>React Js Restrict Special Character in Input Field</h4> <input type="text" value={inputValue} onChange={handleChange} /> {error && <span style={{ color: 'red' }}>Special characters are not allowed.</span>} </div> ); } ReactDOM.render(<App />, document.getElementById("app")); </script> <style> * { box-sizing: border-box; } .container { margin: 0 auto; width: 600px; text-align: center; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24); padding: 20px; } h3 { font-size: 24px; margin-bottom: 10px; } input[type="text"] { width: 100%; padding: 10px; font-size: 16px; border: 1px solid #ccc; border-radius: 3px; box-sizing: border-box; } p { font-size: 16px; margin-top: 10px; } </style> </body> </html>