Which command would you use to output the lines belonging to all people listed whose birthday is in May or June?

Given a file called birthdays containing lines like:

YYYY-MM-DD Name

1983-06-02 Tim

1995-12-17 Sue

Which command would you use to output the lines belonging to all people listed whose birthday is in May or June?
A . grep ‘[56]’ birthdays
B . grep 05?6? birthdays
C . grep ‘[0-9]*-0[56]-‘ birthdays
D . grep 06 birthdays | grep 05

View Answer

Answer: C