Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!

1. The problem statement, all variables and given/known data:

Let's say if we have a file with a lot of information.
For example:

Code:

iiadam
otterhedgehog
kayleigh
humantvguide@geocities.com
Abicraft
benz@uole.com
303-724-1777
abelsonz
love69
thesecretbang
axluigi@geocities.com
Moschopz
StrangeWizard
garibaldi@uole.com
jewel
ryanatv17
erik
whalecat44
Jordy3000
soctor
v0lc0m172
elnando
itamiken
cattle
jokimjk
harrysbird
janet@uole.com

The question is How many email addresses are in ‘first.last’ name format AND involve someone who’s first name starts with a letter in the first half of the alphabet?


2. Relevant commands, code, scripts, algorithms:

Using grep command only

3. The attempts at a solution (include all code and scripts):

Here's what I tried to search all email addresses, but I don't know to search first.last name and involve someone who’s first name starts with a letter in the first half of the alphabet?

Code:

grep -E -o "\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,6}\b" filename | wc-l

4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):

School name: UC Boulder, Colorado, United States, David Knox, CSCI-3308


Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).

Moderator's Comments:

Please use CODE tags when displaying sample input, sample output, and code segments.