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What is the regular expression that will only allow decimal input?

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• input

asked 2023-04-29 00:22:47 +0000

scrum
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answered 2023-04-29 00:41:02 +0000

djk
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The regular expression that will only allow decimal input is:

^[0-9]+(.[0-9]+)?$

This expression will allow for any positive or negative decimal number, with or without leading zeros, and can also handle decimal numbers with or without a decimal point.

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