Go – String to Lowercase
To convert string to lowercase in Go programming, callstrings.ToLower()
function and pass the string as argument to this function.
In this tutorial, we will learn how to convert a string to lower case using strings.ToLower() function, with examples.
Syntax
The syntax of ToLower()
function is
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strings.ToLower(str)
where
strings
is the package.ToLower
is the function name.str
is the input string.
strings.ToLower() function returns a string with all characters in the original string converted to lower case.
Example
In the following program, we will take a string str
containing a mix of lower and upper case alphabets and convert it to lower case.
example.go
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package main
import (
"fmt"
"strings"
)
func main() {
var str = "HelLo WoRld"
var str_lower = strings.ToLower(str)
fmt.Printf(str_lower)
}
Output
hello world
Conclusion
In this Golang Tutorial, we learned how to convert a string to lower case using strings.ToLower() function.