More than 1 year has passed since last update.

javaScript_正規表現,search,replaceメソッドなど

JavaScript

Posted at 2022-08-14

参考:
https://qiita.com/iLLviA/items/b6bf680cd2408edd050f

i	大文字小文字区別しない
g	すべてのものを検索
m	複数行検索
[abc]	[]内のものを検索
[0-9]	0-9の数字を検索


<body>
 <p id="test"></p>
 <button onclick="testReplace()">click me</button>
 <script>
  var stringTest = "tomorrow will be good";

  //　大文字小文字区別しないで検索
  var goodIndex = stringTest.search(/Good/i);
  var pTest = document.getElementById("test");
  pTest.innerHTML = "Goodのインデックスは" + goodIndex;

  function testReplace(){
   var newString = stringTest.replace(/tomorrow/i,"明日");
   pTest.innerHTML = newString;
 }
 </script>
</body>

You get articles that match your needs
You can efficiently read back useful information
You can use dark theme

What you can do with signing up