回答編集履歴
2
エスケープ忘れ
test
CHANGED
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@@ -8,7 +8,7 @@
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8
8
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9
9
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```JavaScript
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10
10
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11
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-
const sample = (numberString) => /+?0*[1-9]\d*$/.test(numberString);
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11
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+
const sample = (numberString) => /^\+?0*[1-9]\d*$/.test(numberString);
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12
12
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13
13
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14
14
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1
小数のテストコード追加
test
CHANGED
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@@ -12,15 +12,17 @@
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12
12
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13
13
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14
14
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15
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-
console.log(sample('1'));
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15
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+
console.log(sample('1')); // true
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16
16
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17
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-
console.log(sample('001'));
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17
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+
console.log(sample('001')); // true
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18
18
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19
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-
console.log(sample('+1'));
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19
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+
console.log(sample('+1')); // true
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20
20
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21
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-
console.log(sample('
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21
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+
console.log(sample('1.0')); // false
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22
22
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23
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+
console.log(sample('-1')); // false
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24
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+
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23
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-
console.log(sample('0'));
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25
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+
console.log(sample('0')); // false
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24
26
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25
27
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```
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26
28
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