strings.Replace with skipping feature. Golang

main.go

// https://go.dev/play/p/0CHrCSOkdbD

func replace(s, old, new string, count, skip int) string {
	var startIdx int

	for i := 0; i < skip; i++ {
		idx := strings.Index(s[startIdx:], old)
		if idx == -1 {
			return s
		}
		startIdx += idx + len(old)
	}

	return s[:startIdx] + strings.Replace(s[startIdx:], old, new, count)
}