How to Check if String contains only Numeric Digits in Go - Step by Step Examples

How to Check if String contains only Numeric Digits in Go ?

Answer

To check if a string contains only numeric digits in Go, you can iterate through each character in the string and check if it is a digit using the 'unicode.IsDigit' function.

✐ Examples

1 Check if String contains only Numeric Digits using character iteration

In this example,

We create a function 'containsOnlyNumericDigits' that takes a string as input.
We iterate through each character in the string and check if it is a digit using 'unicode.IsDigit' function.
If all characters are numeric digits, 'allDigits' will be 'true', otherwise 'false'.
Finally, we print the result.

Go Program

package main

import (
    "fmt"
    "unicode"
)

func containsOnlyNumericDigits(str string) bool {
    for _, char := range str {
        if !unicode.IsDigit(char) {
            return false
        }
    }
    return true
}

func main() {
    str := "12345"
    allDigits := containsOnlyNumericDigits(str)
    fmt.Println("String contains only numeric digits:", allDigits)
}

Output

String contains only numeric digits: true

Summary

In this tutorial, we learned How to Check if String contains only Numeric Digits in Go language with well detailed examples.

◀ Previous Next ▶

Go Tutorials

Go Programs

Go How-Tos