Functions are designed to let us re-use code easily, which means we don’t have to copy and paste code to get common behaviors. You could use them very rarely if you wanted, but honestly there’s no point – they are wonderful tools for helping us write clearer, more flexible code.
There are three times you’ll want to create your own functions:
SPONSORED ViRE offers discoverable way of working with regex. It provides really readable regex experience, code complete & cheat sheet, unit tests, powerful replace system, step-by-step search & replace, regex visual scheme, regex history & playground. ViRE is available on Mac & iPad.
Link copied to your pasteboard.