Greeting a friend saying 'yo'


I've heard in anime that close friends greet each other saying 'yo', as if it
were the same in English when you say "yo!". I've been searching how to write
it, but I have only found the common ways to greet (like `konichiwa`, etc).
Does it have a kanji or do you write it using the hiragana `よ`?




よ！ Only hiragana. You can find this kind of things by looking at online
dictionaries like <http://jisho.org/>




よ！ Only hiragana. You can find this kind of things by looking at online
dictionaries like <http://jisho.org/>

