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Home/ Questions/Q 459655
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Editorial Team
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Editorial Team
Asked: May 12, 20262026-05-12T22:47:40+00:00 2026-05-12T22:47:40+00:00

A user can put a file in the server if the file name matches

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A user can put a file in the server if the file name matches the following criteria:

It has to start with abc, then a dot, and a number.

Valid file names:

    abc.2344
    abc.111

Invalid:

    abcd.11
    abc.ab12

What would be the regex? I can’t just use abc.*.

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  1. Editorial Team
    Editorial Team
    2026-05-12T22:47:41+00:00Added an answer on May 12, 2026 at 10:47 pm

    Something like this:

    ^abc\.\d+$
    
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