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Asked: 2026-05-29T16:24:23+00:00

I have a regex \([0-9]+|\-)\ which either takes a number or a hyphen. but

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I have a regex \([0-9]+|\-)\ which either takes a number or a hyphen.

but if I use this to match something like -555 it still works because it matches the hyphen-. So I am wondering if there is a way to match the whole thing?

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1 Answer

  1. Editorial Team
    /^([0-9]+|\-)$/

    The ^ means “at the beginning of the string line”, and the $ means “at its end”.

    Edit: fixed the answer, thanks to luke-gru. As pointed out in the comments, \A is at the start of the string, \Z is at its end. The behavior of ^ and $ depends on whether multiline is enabled or not.

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