regular expression for finding ‘href’ value of a link

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I’d recommend using an HTML parser over a regex, but still here’s a regex that will create a capturing group over the value of the href attribute of each links. It will match whether double or single quotes are used.

<a\s+(?:[^>]*?\s+)?href=(["'])(.*?)\1

You can view a full explanation of this regex at here.

Snippet playground:

const linkRx = /<a\s+(?:[^>]*?\s+)?href=(["'])(.*?)\1/;
const textToMatchInput = document.querySelector('[name=textToMatch]');

document.querySelector('button').addEventListener('click', () => {
  console.log(textToMatchInput.value.match(linkRx));
});
<label>
  Text to match:
  <input type="text" name="textToMatch" value="<a href="https://stackoverflow.com/questions/15926142/google.com"">
  
  <button>Match</button>
 </label>

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