回答編集履歴
1
訂正
test
CHANGED
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@@ -1,4 +1,4 @@
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1
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-
`(^|\D)(\d{1})($|\D)`
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1
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+
`(^|\D)(\d{1,2})($|\D)`
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2
2
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3
3
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group(2)で抽出できます。
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4
4
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