94
57

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?

More than 3 years have passed since last update.

JavaScriptでカタカナをひらがなに変換する(その逆も)

Last updated at Posted at 2015-09-09

よく忘れるのでメモ。

カタカナをひらがなに変換する

var str = 'アイウ';
kanaToHira(str); //あいう

function kanaToHira(str) {
	return str.replace(/[\u30a1-\u30f6]/g, function(match) {
		var chr = match.charCodeAt(0) - 0x60;
		return String.fromCharCode(chr);
	});
}

ひらがなをカタカナに変換する

var str = 'あいう';
hiraToKana(str); //アイウ

function hiraToKana(str) {
	return str.replace(/[\u3041-\u3096]/g, function(match) {
		var chr = match.charCodeAt(0) + 0x60;
		return String.fromCharCode(chr);
	});
}
94
57
1

Register as a new user and use Qiita more conveniently

  1. You get articles that match your needs
  2. You can efficiently read back useful information
  3. You can use dark theme
What you can do with signing up
94
57

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?