func reGsubStr(str string, re *regexp.Regexp, repl string, matches [][]int) string {
infoList := make([]replaceInfo, 0, len(matches))
for _, match := range matches {
start, end := match[0], match[1]
if end < 0 {
continue
}
buf := make([]byte, 0, end-start)
buf = re.ExpandString(buf, repl, str, match)
infoList = append(infoList, replaceInfo{[]int{start, end}, string(buf)})
}
return reGsubDoReplace(str, infoList)
}
func decode_group(dec *regexp.Regexp, data string, name string, match []int) (result string) {
result = string(dec.ExpandString(make([]byte, 0, 1024), fmt.Sprintf("${%s}", name), data, match))
return
}