Vue Js Validate Url Example

<!DOCTYPE html>
<html>

</head>

<body>
  <div id="app">
    <h3>Vue Js Validate URL</h3>
    <input v-model="url" />
    <button @click="validateUrl">Validate</button>
    <p v-if="urlError" class="error">{{ urlError }}</p>
  </div>

if (this.url === '') {
            this.urlError = 'URL is required.';
          } else if (!urlPattern.test(this.url)) {
            this.urlError = 'Invalid URL format.';
          } else {
            this.urlError = '';
          }
        }
      }
    });

app.mount('#app');
  </script>

h3 {
      font-size: 24px;
      margin-bottom: 20px;
    }

input {
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 5px;
      width: 300px;
      margin-bottom: 10px;
    }

button {
      padding: 10px 20px;
      background-color: #007bff;
      color: #fff;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }

button:hover {
      background-color: #0056b3;
    }

.error {
      color: red;
      margin-top: 10px;
    }
  </style>

</body>

</html>

 
<!DOCTYPE html>
<html>
​
<head>
  <script src="https://unpkg.com/vue@3.2.12/dist/vue.global.js"></script>
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css">
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css"
    integrity="sha512-9usAa10IRO0HhonpyAIVpjrylPvoDwiPUiKdWk5t3PyolY1cOd4DSE0Ga+ri4AuTroPR5aQvXU9xC6qOPnzFeg=="
    crossorigin="anonymous" referrerpolicy="no-referrer" />
​
</head>
​
<body>
  <div id="app">
    <h3>Vue Js Validate URL</h3>
    <input v-model="url" />
    <button @click="validateUrl">Validate</button>
    <p v-if="urlError" class="error">{{ urlError }}</p>
  </div>
​
  <script type="module">
    const app = Vue.createApp({
      data() {
        return {
          url: '',
          urlError: ''
        };
      },
      methods: {
        validateUrl() {
          // Regular expression to validate the URL
          const urlPattern = /^(ftp|http|https):\/\/[^ "]+$/;
​
          if (this.url === '') {
            this.urlError = 'URL is required.';
          } else if (!urlPattern.test(this.url)) {
            this.urlError = 'Invalid URL format.';
          } else {
            this.urlError = '';
          }
        }
      }
    });
​
    app.mount('#app');
  </script>
​
  <style>
    #app {
      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);
      width: 600px;
      margin: 0 auto;
      transition: transform 0.3s ease;
    }
​
    h3 {
      font-size: 24px;
      margin-bottom: 20px;
    }
​
    input {
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 5px;
      width: 300px;
      margin-bottom: 10px;
    }
​
    button {
      padding: 10px 20px;
      background-color: #007bff;
      color: #fff;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }
​
    button:hover {
      background-color: #0056b3;
    }
​
    .error {
      color: red;
      margin-top: 10px;
    }
  </style>
​
</body>
​
</html>