回答編集履歴
1
chousei ]
answer
CHANGED
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@@ -5,4 +5,13 @@
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5
5
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```javascript
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6
6
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var str=" \n 1\n2 \n 3 \t4 \n ";
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7
7
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console.log(str.replace(/\s/g,'').length);
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8
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+
```
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9
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+
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10
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# 追記
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11
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```javascript
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12
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var str=" ＡＢＣ １２３ ";
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13
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var reg=new RegExp("[Ａ-Ｚａ-ｚ０-９－！”＃＄％＆’（）＝＜＞，．？＿［］｛｝＠＾～￥]","g");
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14
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var replacement=function(s) {return String.fromCharCode(s.charCodeAt(0) - 65248)};
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15
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str = str.replace(reg, replacement).replace(/\s/g,'');
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16
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console.log(str);
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8
17
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```
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