How to search multiple word using grep command?

Linux and Unix-Like Linux
1

How to search multiple word using grep command
for example i want to reserch

ANJ001
AA
2

try

grep "ANJ001.*AA" filename # if you want both words
egrep -i 'ANJ001|AA' filename # if want either of the word

1 Question:Why you have ask question in such a font and without spaces..