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Documentation v4.0.0

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Overview

Check if the string is a valid URL. Validates http and https protocols with configurable TLD, wildcard, fragment, and query string options.

Import

import {validators} from 'metronic-extension';
const {isURL} = validators;

Signature

isURL(value: string, options?: IsURLOptions): boolean
Parameter Type Default Description
value string - Value to be validated.
options.requireFQDNTld boolean true If true, the TLD is required.
options.allowFQDNWildcard boolean false If true, allows domain starting with *. (e.g. *.example.com).
options.allowFragments boolean false If true, allow fragment input (e.g. #section).
options.allowQueryComponents boolean false If true, allow query string input (e.g. ?key=value).
Returns: boolean — true if valid, false otherwise.

Example

Result: true 
<div class="mb-3">
  <label class="form-label">Input value</label>
  <input id="isURLInput" class="form-control form-control-solid" placeholder="Enter a URL..." value="https://www.example.com/">
</div>
<div>
  <span class="fw-bold">Result: </span>
  <span id="isURLResult" class="badge badge-success">true</span>
</div>

var isURL = metronicExtension.validators.isURL;
var input = document.getElementById('isURLInput');
var result = document.getElementById('isURLResult');

function update() {
  var valid = isURL(input.value);
  result.textContent = valid ? 'true' : 'false';
  result.className = 'badge ' + (valid ? 'badge-success' : 'badge-danger');
}

input.addEventListener('input', update);
update();
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