Created
May 22, 2012 14:01
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全角英数を半角英数にするBookmarklet
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「ページ内の全角英数を半角英数に置換するだけのユーザースクリプト」を見てなんとなく書いた。需要は知らん。 | |
http://oflow.me/archives/1002 | |
Firefox, Opera, Chrome で動くと思う。 | |
以下の文字が置き換えられるはず。 | |
¥!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|} |
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javascript:/*Zenkaku-Hankaku*/(function(doc){ | |
var zen = /[\u3000\uFFE5\uFF01-\uFF5E]/g; | |
var arr = ['contains(.,"\u3000")','contains(.,"\uFFE5")']; | |
for (var i = 0xFF01; i < 0xFF5E; ++i) { | |
arr.push('contains(.,"' + String.fromCharCode(i) + '")'); | |
} | |
var xpath = '//text()[(' + arr.join(' or ') + ') and not(ancestor::style) and not(ancestor::script)]'; | |
var x = doc.evaluate(xpath, doc.body, null, 7, null); | |
for (var i = 0, len = x.snapshotLength; i < len; ++i) { | |
var node = x.snapshotItem(i); | |
node.nodeValue = node.nodeValue.replace(zen, function(str){ | |
if (str === '\u3000') return ' '; | |
if (str === '\uFFE5') return '\\'; | |
return String.fromCharCode( str.charCodeAt(0) - 0xFF01 + 0x21 ); | |
}); | |
} | |
})(document); |
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