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755 B

isalpha

Instructions

Write a function that returns true if the string passed in parameter only contains alphanumerical characters or is empty, and that returns false otherwise.

Expected function

func IsAlpha(s string) bool {

}

Usage

Here is a possible program to test your function :

package main

import (
	"fmt"
	piscine ".."
)

func main() {
	fmt.Println(piscine.IsAlpha("Hello! How are you?"))
	fmt.Println(piscine.IsAlpha("HelloHowareyou"))
	fmt.Println(piscine.IsAlpha("What's this 4?"))
	fmt.Println(piscine.IsAlpha("Whatsthis4"))

}

And its output :

student@ubuntu:~/isalpha/test$ go build
student@ubuntu:~/isalpha/test$ ./test
false
true
false
true
student@ubuntu:~/isalpha/test$