package mainimport ( "fmt" "strings")func main() { s := "hello world" //是否包含 fmt.Println(strings.Contains(s, "hello"), strings.Contains(s, "?")) //索引 fmt.Println(strings.Index(s, "o")) ss := "1#2#345" //分割字符串 splitedStr := strings.Split(ss, "#") fmt.Println(splitedStr) //合并字符串 fmt.Println(strings.Join(splitedStr, "#")) //是否包含前缀，后缀 fmt.Println(strings.HasPrefix(s, "he"), strings.HasSuffix(s, "ld"))}

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