Here’s an example how you can generate link from given string using regex:
Code of index.html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./script.js"></script>
</head>
<body>
<p><strong>Text: </strong>For more info, visit
https://www.bacancytechnology.com
</p>
<p><strong>Generated link: </strong>
<span id="generated-link"></span>
</p>
<button onclick="generateLink()">Generate</button>
</body>
</html>
Code of script.js:
const generateLink = () => {
let text = "For more info, visit https://www.bacancytechnology.com";
let urlRegex = /(https?:\/\/[^\s]+)/g;
let textWithLink = text.replace(urlRegex, (url) => {
return '<a href="' + url + '">' + url + '</a>';
});
document.getElementById("generated-link").innerHTML = textWithLink;
}
Explanation:
On click of the generate button, it will execute the generateLink() method of script.js file. Here regex ‘/(https?:\/\/[^\s]+)/g’ detects all urls in a given string and replace function will replace url with anchor tag.
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