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@FiNGAHOLiC(Yukihiko Okuyama)

全角半角入り混じった文字列から半角数字のみ抜き出す

JavaScript

Posted at 2013-12-12

コード

var num = str.replace(/[^\x01-\x7E]/g, function(s){
    return String.fromCharCode(s.charCodeAt(0) - 0xFEE0);
}).replace(/\D/g, '');

参考リンク

http://www.nishishi.com/blog/2013/02/zenkaku_hankaku.html
http://hodade.adam.ne.jp/seiki/page.php?s_zenkaku

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