How to check if a String is an Integer in Go Language

Hello everyone, in this tutorial, we’ll explore multiple ways to detect if the given String is an int.

Example 1: Using strconv.Atoi() function

package main

import (

"fmt"

"strconv"

)

func main() {

str1 := "5674"

str2 := "123o"

fmt.Println(IsInt(str1))

fmt.Println(IsInt(str2))

}

func IsInt(str string) bool {

_, err := strconv.Atoi(str)

if err != nil {

return false

} else {

return true

}

}

Output:

Author: Joy

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