09_书_正则表达式必知必会_07_查找替换回溯引用MyTry.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
  </head>
  <body>
    <script>
      // sublime ctrl+h 查找替换
      // 000-1111-2222
      // (000)-1111-2222 // 结果
      // (\d{3})-(\d{4})-(\d{4})
      // ($1)-$2-$3

      var str = '000-1111-2222'
      var re = /(\d{3})-(\d{4})-(\d{4})/
      var newStr = str.replace(re, '($1)-$2-$3')
      console.log(newStr) // (000)-1111-2222

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