Simple snake_case to camel case converter (https://play.golang.org/p/RtAzmSgnnvM)

main.go

package main

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

func main() {
        fmt.Println(toCamelCase("blo_bla_Di_bla"))
}

var link = regexp.MustCompile("(^[A-Za-z]|_[A-Za-z])")

func toCamelCase(str string) string {
        return link.ReplaceAllStringFunc(str, func(s string) string {
                r := strings.NewReplacer("_", "")
                return strings.ToUpper(r.Replace(s))
        })
}