5V6e4vQC

1andrew@Vbox:~$ egrep '[0-9]{2,3}[.][0-9]{2,3}[.][0-9]{2,3}[.][0-9]{2,3}' NASA_access_log_Aug95 | awk '{print $1}' | head -20
2133.43.96.45
3133.43.96.45
4133.43.96.45
5133.43.96.45
6133.43.96.45
7133.43.96.45
8133.43.96.45
9133.43.96.45
10133.68.18.180
11133.68.18.180
12133.68.18.180
13133.68.18.180
14133.43.96.45
15133.43.96.45
16133.68.18.180
17133.43.96.45
18133.68.18.180
19205.163.36.61
20205.163.36.61
21205.163.36.61
22
23
24andrew@Vbox:~$ cat dataFile
25312-284-1245 johndoe@gmail.com
26153-264-3457 somedude@juno.com
27(760) 352-3256 anotherguy@gmail.com
28421-537-9197 mrPerson@webserver.com
29(721) 143-4273 aname@mailservice.com
30143-1234 notValid@.com
31352-543- badAddresgmail.com
32(124) 321 validEmail@gmail.com
33(432) 915-4723 noGood@
34153-125-6996 @gmail.com
35andrew@Vbox:~$ 
36
37
38
39
40andrew@Vbox:~$ egrep '[0-9]{3}[-]{1}[0-9]{3}[-][0-9]{4}' dataFile | awk '{print $1}';  egrep '[/(]{1}[1-9]{3}[/)]{1}[ ]{1}[1-9]{3}[-]{1}[1-9]{4}' dataFile | awk '{print $1, $2}';
41312-284-1245
42153-264-3457
43421-537-9197
44153-125-6996
45(721) 143-4273
46(432) 915-4723
47
48
49andrew@Vbox:~$ egrep '[a-zA-Z0-9._%+-]+[@]{1}[a-zA-Z0-9]+[/.]{1}[a-zA-Z0-9]+' dataFile | awk  '{print $NF}'
50johndoe@gmail.com
51somedude@juno.com
52anotherguy@gmail.com
53mrPerson@webserver.com
54aname@mailservice.com
55validEmail@gmail.com
56andrew@Vbox:~$