func golang.org/x/text/internal/language.getExtension

3 uses

	golang.org/x/text/internal/language (current package)
		language.go#L290: 		i, ext = getExtension(t.str, i)
		language.go#L303: 		i, ext = getExtension(t.str, i)
		parse.go#L581: func getExtension(s string, p int) (end int, ext string) {