Golang : How to check if a string contains another sub-string?




Problem :

How to check if a string contains another sub-string in Golang?

Solution :

Use the strings.Contains() function.

For example :

 package main

 import (
 "fmt"
 "strings"
 )

 func main() {

 str := "this is a string containing a big string and small string"

 subStr := "big string"

 if strings.Contains(str, subStr) {
 fmt.Printf("Found subStr in str \n")
 } else {
 fmt.Printf("subStr is not in str \n")
 }

 subStr2 := "another string"

 if strings.Contains(str, subStr2) {
 fmt.Printf("Found subStr in str \n")
 } else {
 fmt.Printf("subStr2 is not in str \n")
 }

 }

Output :

Found subStr in str

subStr2 is not in str

  See also : Golang : Smarter Error Handling with strings.Contains()





By Adam Ng

IF you gain some knowledge or the information here solved your programming problem. Please consider donating to the less fortunate or some charities that you like. Apart from donation, planting trees, volunteering or reducing your carbon footprint will be great too.


Advertisement