How do I match more than one regular expression using grep?

[indigowinged]

The pipe character | means OR in regular expressions.

Example text file used.

$ cat textfile
If the boots fit
bootsy was here
123456789

We want to match any upppercase letter or anything with boots in the line. From out text file both regular expressions match, and hence only the numbers are excluded.

$ grep -E "[A-Z]|boots" textfile
If the boots fit
bootsy was here