Regular expressions used to efficiently parse CSS selectors

I am looking to enhance the scope of my selectors. One effective method, in my opinion, is to target a CSS selector and return a combination of mySelector and oldSelector

For instance, if I have .old { background: black; }, I would modify it to

.mySelector .old { background: black; }

Consider this CSS code snippet:

.a
{
background: red;
}
#b {
background: green;
}
input {
background: blue;
}
[type=custom] {
background: white;
}

I attempted to use .+?{, but it selected unnecessary parts. Reversing {.+?} might work, but I am unsure how to achieve that. Any suggestions?

Answer №1

After some exploration, I discovered that using String.match({.+?}) allows me to collect all rules, and String.split({.+?}) is handy for obtaining selectors when working with JavaScript.

Furthermore, I came across a convenient CSS parsing library for JavaScript at this link: https://github.com/reworkcss/css

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