1.func Contains(s, substr string) bool这个函数是查找某个字符是否在这个字符串中存在,存在返回true
import ( "fmt" "strings" )
func main() { fmt.Println(strings.Contains("widuu", "wi")) //true fmt.Println(strings.Contains("wi", "widuu")) //false }
import ( "fmt" "strings" )func main() { fmt.Println(strings.ContainsAny("widuu", "w&d")) //true }
3.func ContainsRune(s string, r rune) bool,这里边当然是字符串中是否包含rune类型,其中rune类型是utf8.RUneCountString可以完整表示全部Unicode字符的类型
import ( "fmt" "strings" )func main() { fmt.Println(strings.ContainsRune("widuu", rune('w'))) //true fmt.Println(strings.ContainsRune("widuu", 20)) //fasle }
import ( "fmt" "strings" )func main() { fmt.Println(strings.Count("widuu", "uu")) //1 fmt.Println(strings.Count("widuu", "u")) //2 }
5.func Index(s, sep string) int 这个函数是查找字符串,然后返回当前的位置,输入的都是string类型,然后int的位置信息
import ( "fmt" "strings" )
func main() { fmt.Println(strings.Index("widuu", "i")) //1 fmt.Println(strings.Index("widuu", "u")) //3 }
import ( "fmt" "strings" )func main() { fmt.Println(strings.IndexAny("widuu", "u")) //3 }
import ( "fmt" "strings" )func main() { fmt.Println(strings.IndexByte("hello xiaowei", 'x')) //6 }
import ( "fmt" "strings" )
func main() { fmt.Println(strings.IndexRune("widuu", rune('w'))) //0 }
import ( "fmt" "strings" )func main() { fmt.Println(strings.IndexFunc("nihaoma", split)) //3 }
func split(r rune) bool { if r == 'a' { return true } return false }
import ( "fmt" "strings" )func main() { fmt.Println(strings.LastIndex("widuu", "u")) // 4 }
import ( "fmt" "strings" )
func main() { fmt.Println(strings.LastIndexAny("widuu", "u")) // 4 }