回答編集履歴
1
chousei ]
test
CHANGED
@@ -13,3 +13,21 @@
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console.log(str.replace(/\s/g,'').length);
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```
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# 追記
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```javascript
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var str=" ABC 123 ";
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var reg=new RegExp("[A-Za-z0-9-!”#$%&’()=<>,.?_[]{}@^~¥]","g");
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var replacement=function(s) {return String.fromCharCode(s.charCodeAt(0) - 65248)};
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str = str.replace(reg, replacement).replace(/\s/g,'');
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console.log(str);
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```
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