How to convert String to Lowercase in Go - Step by Step Examples

How to convert String to Lowercase in Go ?

To convert a string to lowercase in Go, you can use the strings.ToLower function.

In this example,

Create a string variable str with the value "Hello World".
Call strings.ToLower with str as argument and store the result in a new variable lowercaseStr.
Print lowercaseStr.

package main

import (
	"fmt"
	"strings"
)

func main() {
	str := "Hello World"
	lowercaseStr := strings.ToLower(str)
	fmt.Println(lowercaseStr)
}

hello world

In this example,

Create a string variable str with the value "Go Programming".
Call strings.ToLower with str as argument and store the result in a new variable lowercaseStr.
Print lowercaseStr.

package main

import (
	"fmt"
	"strings"
)

func main() {
	str := "Go Programming"
	lowercaseStr := strings.ToLower(str)
	fmt.Println(lowercaseStr)
}

go programming

In this tutorial, we learned How to convert String to Lowercase in Go language with well detailed examples.