Group more than one regular expression in the same command

Question

How to group two regular expression in one command

example if have a file like:

age22
Helwan University Engineering Faculty
ITI-intake33
bye FOr NOW
i am mahmoud 34
mie 4
a

And I want to search for the line that start with by and end with W ???

Using grep command

score 3 · Accepted Answer · answered Oct 16 '12 at 18:36

3

You don't need more than one regular expression for this.

grep '^by.*W$' filename.txt

should suffice.

answered Oct 16 '12 at 18:36

why you use `.*` before W ??? I tried `'^by.W$'` and didn't work, I am beginner in UNIX – chaster 87 Oct 16 '12 at 18:38
It works with be, and I'll accept your answer after 9 minutes the site told me that – chaster 87 Oct 16 '12 at 18:40

1 Answers1