eggheadio-projects/regex-in-javascript: null

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# regex-in-javascript

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Javascript Regular Expressions: Match the Same String Twice</title>
  <style>
    pre {
      line-height: 2;
    }
    span {
      background-color: #eee;
      padding: 1px;
      outline: 1px solid #999;
    }
  </style>
</head>
<body>
  <pre></pre>
  <script src="script.js"></script>
</body>
</html>

'use strict';

var str = `<b>Bold</b><i>italics</i>`;
var regex = /<(\w+)>(.*)<\/\1>/g;

console.log(str.replace(regex, '$2\n')) || displayInPreview(str.replace(regex, '$2\n'));

/**
 * @param  String str
 * @param  RegExp regex
 * @param  HTMLElement target
 */
const output = (str, regex, target) => {
  target.innerHTML =
    str.replace(regex, str =>
      `<span>${str}</span>`
    );
}
output(str, regex, document.querySelector('pre'));



// display in plunker preview
function displayInPreview(string) {
  var newDiv = document.createElement("div"); 
  var newContent = document.createTextNode(string); 
  newDiv.appendChild(newContent);
  document.body.appendChild(newDiv)
}