Question

How to find the index of specific sequence in byte slice with Go

Answer 1

package main

import (
    "bytes"
    "fmt"
)

func main() {
    slice := []byte("go java c++")
    
    i := bytes.Index(slice, []byte("java"))
    
    fmt.Println(i)
}




/*
run:

3

*/

 

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Answer 2

package main

import (
    "bytes"
    "fmt"
)

func main() {
    slice := []byte("go java c++")
    
    i := bytes.Index(slice, []byte("php"))
    
    fmt.Println(i)
}




/*
run:

-1

*/

 

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