ba0918/URLの正規表現.svg

## test.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>test</title>
    <style>.highlight-link { background-color: yellow; }</style>
  </head>
  <body>
    <h2>Sample</h2>
    <p id="root">
      http://google.co.jp<br>
    </p>
    <script src="./simple-link-decorator.min.js"></script>
    <script>
      var elm = document.querySelector('#root');
      elm.innerHTML = SimpleLinkDecorator.decorate(elm.innerHTML, {class: 'highlight-link'});
    </script>
  </body>
</html>

## URLの正規表現.svg

      
Display the source blob

    
Display the rendered blob

    
    Raw
  

              URLの正規表現.svg
            
          
      Sorry, something went wrong. Reload?
      Sorry, we cannot display this file.
      Sorry, this file is invalid so it cannot be displayed.
      
          Viewer requires iframe.
      
    
## 文字列内のURLをリンクにするやつ.js
// export to window.SimpleLinkDecorator
const PATTERN = /((http|https):)?(?:\/\/)([-\+;:&@=\$,\.\w_]+)(\/[-\+~%\/\.\w_]*)?(\?[-\+=&;%@\w_]*)?(#[\w]*)?/g;

export function decorate(text, option = {}) {
  const attributes = createKeyValuePairs(option).join('');
  const callback = (option.callback && typeof option.callback === 'function') ? option.callback : null;
  return text.replace(PATTERN, (match) => {
    return callback ? callback(match) : `<a href="${match}"${attributes}>${match}</a>`;
  });
}

function createKeyValuePairs(attributes) {
  const result = [];
  for (const key in attributes) {
    if (key !== 'callback') {
      result.push(` ${key}="${attributes[key]}"`);
    }
  }
  return result;
}
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8">
	<title>test</title>
	<style>.highlight-link { background-color: yellow; }</style>
	</head>
	<body>
	<h2>Sample</h2>
	<p id="root">
	http://google.co.jp<br>
	</p>
	<script src="./simple-link-decorator.min.js"></script>
	<script>
	var elm = document.querySelector('#root');
	elm.innerHTML = SimpleLinkDecorator.decorate(elm.innerHTML, {class: 'highlight-link'});
	</script>
	</body>
	</html>
	// export to window.SimpleLinkDecorator
	const PATTERN = /((http\|https):)?(?:\/\/)([-\+;:&@=\$,\.\w_]+)(\/[-\+~%\/\.\w_])?(\?[-\+=&;%@\w_])?(#[\w]*)?/g;

	export function decorate(text, option = {}) {
	const attributes = createKeyValuePairs(option).join('');
	const callback = (option.callback && typeof option.callback === 'function') ? option.callback : null;
	return text.replace(PATTERN, (match) => {
	return callback ? callback(match) : `<a href="${match}"${attributes}>${match}</a>`;
	});
	}

	function createKeyValuePairs(attributes) {
	const result = [];
	for (const key in attributes) {
	if (key !== 'callback') {
	result.push(` ${key}="${attributes[key]}"`);
	}
	}
	return result;
	}