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正規表現でカンマ区切りの数字を判定する

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Last updated at Posted at 2022-02-21

IDを引数にする処理の入力チェックなど、以下のような要件を満たす正規表現を書く機会があったのでメモ

  • 1以上の任意の整数
  • カンマ区切り
  • 個数は任意
  • それぞれの値がゼロ始まりでない
^[1-9][0-9]*(,[1-9][0-9]*)*$

11,2,3は許可(マッチ)
0, 01, 1.2.3, 1,2,3,などは拒否(アンマッチ)

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