React js Password Validation Regex

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <script src="https://unpkg.com/react@17.0.2/umd/react.development.js"></script>
    <script src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"></script>
    <script src="https://unpkg.com/@babel/standalone@7.14.7/babel.min.js"></script>
  </head>

<body>
    <div id="app"></div>
    <script type="text/babel">
      const { useState } = React;

function App() {
        const [password, setPassword] = useState("");
        const [showValidationMessage, setShowValidationMessage] =
          useState(false);
        const [validationMessage, setValidationMessage] = useState("");
        const [showPassword, setShowPassword] = useState(false);

return (
          <div className="container">
            <label htmlFor="password" className="label">
              React Js Password Validation Regex:
            </label>
            <div className="input-container">
              <input
                type={showPassword ? "text" : "password"}
                id="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                onInput={validatePassword}
                className="password-input"
              />
              <button
                onClick={() => setShowPassword(!showPassword)}
                className="password-button"
              >
                {showPassword ? "Hide" : "Show"}
              </button>
            </div>
            {showValidationMessage && (
              <span className="validation-message">{validationMessage}</span>
            )}
          </div>
        );
      }
      ReactDOM.render(<App />, document.getElementById("app"));
    </script>

.container {
        max-width: 400px;
        margin: 0 auto;
        padding: 20px;

border-radius: 5px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        font-family: Arial, sans-serif;
      }

.label {
        display: block;
        font-weight: bold;
        margin-bottom: 10px;
      }

.input-container {
        position: relative;
      }

.password-input {
        width: 100%;
        padding: 10px;
        font-size: 16px;
        border: 1px solid #ccc;
        border-radius: 5px;
        outline: none;
        box-sizing: border-box;
      }

.password-button {
        position: absolute;
        top: 50%;
        right: 10px;
        transform: translateY(-50%);
        background-color: #fff;
        border: none;
        cursor: pointer;
        font-size: 14px;
        color: #666;
        text-transform: uppercase;
        padding: 5px 10px;
        border-radius: 5px;
        outline: none;
        transition: background-color 0.3s ease;
      }

.password-button:hover {
        background-color: #f1f1f1;
      }

.validation-message {
        display: block;
        color: #c00;
        margin-top: 5px;
        font-size: 14px;
      }
    </style>
  </body>
</html>

 
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <script src="https://unpkg.com/react@17.0.2/umd/react.development.js"></script>
    <script src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"></script>
    <script src="https://unpkg.com/@babel/standalone@7.14.7/babel.min.js"></script>
  </head>
​
  <body>
    <div id="app"></div>
    <script type="text/babel">
      const { useState } = React;
​
      function App() {
        const [password, setPassword] = useState("");
        const [showValidationMessage, setShowValidationMessage] =
          useState(false);
        const [validationMessage, setValidationMessage] = useState("");
        const [showPassword, setShowPassword] = useState(false);
​
        const validatePassword = () => {
          const passwordRegex =
            /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/;
          if (!password) {
            setShowValidationMessage(false);
            return;
          }
          if (passwordRegex.test(password)) {
            setShowValidationMessage(false);
          } else {
            setShowValidationMessage(true);
            setValidationMessage(
              "Password must contain at least one lowercase letter, one uppercase letter, one digit, one special character, and be at least 8 characters long."
            );
          }
        };
​
        return (
          <div className="container">
            <label htmlFor="password" className="label">
              React Js Password Validation Regex:
            </label>
            <div className="input-container">
              <input
                type={showPassword ? "text" : "password"}
                id="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                onInput={validatePassword}
                className="password-input"
              />
              <button
                onClick={() => setShowPassword(!showPassword)}
                className="password-button"
              >
                {showPassword ? "Hide" : "Show"}
              </button>
            </div>
            {showValidationMessage && (
              <span className="validation-message">{validationMessage}</span>
            )}
          </div>
        );
      }
      ReactDOM.render(<App />, document.getElementById("app"));
    </script>
​
    <style>
      /* Assuming you are using React (as indicated by the className attribute) */
​
      .container {
        max-width: 400px;
        margin: 0 auto;
        padding: 20px;
​
        border-radius: 5px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        font-family: Arial, sans-serif;
      }
​
      .label {
        display: block;
        font-weight: bold;
        margin-bottom: 10px;
      }
​
      .input-container {
        position: relative;
      }
​
      .password-input {
        width: 100%;
        padding: 10px;
        font-size: 16px;
        border: 1px solid #ccc;
        border-radius: 5px;
        outline: none;
        box-sizing: border-box;
      }
​
      .password-button {
        position: absolute;
        top: 50%;
        right: 10px;
        transform: translateY(-50%);
        background-color: #fff;
        border: none;
        cursor: pointer;
        font-size: 14px;
        color: #666;
        text-transform: uppercase;
        padding: 5px 10px;
        border-radius: 5px;
        outline: none;
        transition: background-color 0.3s ease;
      }
​
      .password-button:hover {
        background-color: #f1f1f1;
      }
​
      .validation-message {
        display: block;
        color: #c00;
        margin-top: 5px;
        font-size: 14px;
      }
    </style>
  </body>
</html>
​