this post was submitted on 31 Jul 2024

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submitted 4 months ago by sus to c/programmer_humor

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[–] [email protected] 3 points 4 months ago* (last edited 4 months ago) (1 children)

It's not just digits. Nobody is expecting it to understand language yet but the parser is-number still returns true for "2e3" or "0x0F". It tells you whether the string can be interpreted as a real numeric value.

[–] bitfucker 1 points 4 months ago

Yeah, hence is-"number". But we were talking about regex are we. A number representation can use digits but it can also not. Much like how you make a number using the word "elf".