Question

I have a big CSS file with all CSS we need for our internal framework, but I only need a few of the styles. So I want to extract the style I want. I used regular expression to extract them:

cssFileContent.scan(/\.#{cssName}.*?\{.+?\}/im)

In Ruby, scan means extract the patter from string, cssName is the CSS style name
i – case insensitive
m – dot match everything so that \n will be matched too

It gives me some style blocks, but skip one every time. For example, I have .abc-style { } and .def-style { }, but result is like:

.abc-style {

}

}

so def-style is skipped.

Can someone give me any point why? And how to correct?

Answer 1

Try excluding the closing bracket and make the collection greedy like this:

cssFileContent.scan(/\.#{cssName}.*?\{[^\}]+\}/im)