Question

How to convert part of a string between two indexes to uppercase in Go

Answer 1

package main

import (
	"fmt"
	"strings"
)

func convertPartToUppercase(str string, start, end int) string {
	before := str[:start]
	upperPart := strings.ToUpper(str[start:end])
	after := str[end:]
	
	return before + upperPart + after
}

func main() {
	s := "golang programming"

	s = convertPartToUppercase(s, 3, 6)
	fmt.Println(s)

	s = convertPartToUppercase(s, 13, 14)
	fmt.Println(s)
}


/*
run:

golANG programming
golANG prograMming

*/

 

70+ SQL courses for beginners and professionals