Snake To Camel and Camel To Snake Case In Go Golang

camelsnake.go

package main

import (
	"fmt"
	"regexp"
	"strings"
)


// Regex
var link = regexp.MustCompile("(^[A-Za-z])|_([A-Za-z])")
var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)")
var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])")

func SnakeToCamelCase(str string) string {
	return link.ReplaceAllStringFunc(str, func(s string) string {
		return strings.ToUpper(strings.Replace(s, "_", "", -1))
	})
}

func CamelToSnakeCase(str string) string {
	snake := matchFirstCap.ReplaceAllString(str, "${1}_${2}")
	snake = matchAllCap.ReplaceAllString(snake, "${1}_${2}")
	return strings.ToLower(snake)
}

main.go

func main() {
	fmt.Println(SnakeToCamelCase("blo_bla_Di_bla"))
	fmt.Println(CamelToSnakeCase("MuzTouchesHisPeePee"))
}