Expand a CamelCase string to a Title string

camel_to_title.go

package main

import (
	"fmt"
	"unicode"
)

// expandTitle turns a string like NewYork into New York by finding a capital
// letter and inserting a space.
func camelToTitle(name string) string {
	for i, c := range name {
		if unicode.IsUpper(c) && i > 0 {
			name = name[:i] + " " + name[i:]
		}
	}

	return name
}

func main() {
	fmt.Println(expandTitle("NewYork"))
}