import (
	"fmt"
	"strings"
)

func main() {
	//檢查字串傳是否包含指定字元,返回true或者false
	fmt.Println(strings.Contains("hello go", "hello"))

	//組合切片成一個字串
	fmt.Println(strings.Join([]string{"a", "1"}, ","))

	//查詢字串返回索引
	fmt.Println(strings.Index("hello go", "go"))

	//追加字串
	fmt.Println(strings.Repeat("go", 3))

	//拆分字串為切片
	fmt.Println(strings.Split("222,33", ","))

	//去掉頭尾指定字元
	fmt.Println(strings.Trim("a w w w a a", "a"))

	//去掉首位空格放入切片
	fmt.Println(strings.Fields("w 1 2 3 "))
}