this post was submitted on 31 Jul 2024
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It's not just digits. Nobody is expecting it to understand language yet but the parser
is-number
still returnstrue
for"2e3"
or"0x0F"
. It tells you whether the string can be interpreted as a real numeric value.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".