Matching numbers with regular expressions — only digits and commas

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旧时难觅i
旧时难觅i 2020-11-22 08:07

I can\'t figure out how to construct a regex for the example values:

123,456,789
-12,34
1234
-8

Could you help me?

10条回答
  •  醉酒成梦
    2020-11-22 08:40

    Try this:

    ^-?[\d\,]+$
    

    It will allow an optional - as the first character, and then any combination of commas and digits.

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