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Regex for integer and decimal number matching in JavaScript

Q: What is the regex for integer and decimal number matching in JavaScript?

-?\d+(?:\.\d+)? — This pattern matches optionally-signed integers and decimals. Anchor it or add thousands separators with the live tester to fit your needs.

This pattern matches optionally-signed integers and decimals. Anchor it or add thousands separators with the live tester to fit your needs.

Working example

/-?\d+(?:\.\d+)?/g

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/-?\d+(?:\.\d+)?/gvalid ✓

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