Here is an easy one :) on REGEX I have this regex ^\\$?(\\d{1,3},?(\\d{3},?)*\\d{3}(\\.\\d{2})?|\\d{1,3}(\\.\\d{2})?|\\.\\d{2}?)$ which

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Editorial Team

Asked: May 15, 20262026-05-15T23:20:29+00:00 2026-05-15T23:20:29+00:00

Here is an easy one 🙂 on REGEX

I have this regex

"^\\$?(\\d{1,3},?(\\d{3},?)*\\d{3}(\\.\\d{2})?|\\d{1,3}(\\.\\d{2})?|\\.\\d{2}?)$"

which works on {100, $100, $100.15, $1,000, $1,000.15} and so on….

I want a simple Regex which works on numbers like : {100, 100.15} and thats all – no commas and currency symbols crap…

Thanks,

Voodoo

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Editorial Team · Answer 1 · 2026-05-15T23:20:29+00:00

Editorial Team

^(\d+(\.\d{2})?|\.\d{2})$

If you make the integer part \d*, the regex will match an empty string.

If you can use look ahead, you can use it to make sure that the string is not empty.

^(?=.)\d*(\.\d{2})?$

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