src/selector/var/pseudos.js


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import identifier from "./identifier.js";
import attributes from "./attributes.js";

export default ":(" + identifier + ")(?:\\((" +

	// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
	// 1. quoted (capture 3; capture 4 or capture 5)
	"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +

	// 2. simple (capture 6)
	"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +

	// 3. anything else (capture 2)
	".*" +
	")\\)|)";