10_vue库中的正则表达式_09.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
  </head>
  <body>  
<script>
  // vue源码
  var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g;
  var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;

  var buildRegex = cached(function (delimiters) {
    var open = delimiters[0].replace(regexEscapeRE, '\\$&');
    var close = delimiters[1].replace(regexEscapeRE, '\\$&');
    return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
  });
  
  // =============例子
  // https://regexper.com/#%2F%5C%7B%5C%7B((%3F%3A.%7C%5Cn)%2B%3F)%5C%7D%5C%7D%2Fg
  // /\{\{((?:.|\n)+?)\}\}/g  sublime正则搜索
  {{df}}
  {{

  }}

  {{}}

  // /[-.*+?^${}()|[\]\/\\]/g  sublime正则搜索
  // https://regexper.com/#%2F%5B-.*%2B%3F%5E%24%7B%7D()%7C%5B%5C%5D%5C%2F%5C%5C%5D%2Fg
  

</script>
  </body>
</html>