New methods isEmoji and flush?

[highfeed]

Hello!

Can you add two new methods isEmoji and flush?

For example:

stringz.isEmoji('a') // false
stringz.isEmoji('➕') // true
stringz.flush('a➕💪🏿🤗asd🤘🏽1231️⃣➕➖ asd') // ➕💪🏿🤗🤘🏽1️⃣➕➖