Full-time web dev; JS lover since 2002; CSS fanatic. #CSSIsAwesome
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He/him
That bit of the regex will only match on a line that contains a dollar sign ($), a single digit ([0-9]), and a literal dot (\.). So "$2.99" will match, but "$12.99" won't, because there are two digits between the dollar sign and the dot.
I've been a professional C, Perl, PHP and Python developer.
I'm an ex-sysadmin from the late 20th century.
These days I do more Javascript and CSS and whatnot, and promote UX and accessibility.
That's what this bit at the end is for:
That bit of the regex will only match on a line that contains a dollar sign (
$), a single digit ([0-9]), and a literal dot (\.). So "$2.99" will match, but "$12.99" won't, because there are two digits between the dollar sign and the dot.Try it.