Using regular expression in css?

Question

I have an html page with divs that have id(s) of the form s1, s2 and so on.

Answer 1

Try my generic CSS regular expression

(([a-z]{5,6}.*?\))|([\d.+-]?)(?![a-z\s#.()%])(\d?\.?\d?)?[a-z\d%]+)|(url\([/"'][a-z:/.]*['")]\))|(rgb|hsl)a?\(\d+%?,?\s?\d+%?,?\s?\d+%?(,\s?\d+\.?\d?)?\)|(#(\w|[\d]){3,8})|([\w]{3,8}(?=.*-))

Demo https://regexr.com/4a22i