package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?>(?<=class=")|(?!^)\G)(?>\b([-\w]++)\b(?=[^"]*?\s\1[\s"])\s+|[-\w]+\s+\K)`)
var str = `<li class="a-b a-c 3 2 1 is it this or this is it or it is this 1 2 3 a-c a-b">`
var substitution = ""
fmt.Println(re.ReplaceAllString(str, substitution))
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/