These are the formal rules for forming basic UNIX regular expressions. For some simple examples, skip to Simple Examples. The rules come from the Solaris 7 regexp(5) manual page. The I2A2 reflector ...

So I'm trying to set up a transport rule that when mail arrives TO a specific address AND contains # followed by 6 digits that it will do some things with it. I got the TO part and the "do some things ...

If you work with strings in your Python scripts and you're writing obscure logic to process them, then you need to look into ...