Question

linux Regular expressions

file name: lab3test.txt

Employee ID     Full Name       Phone   Age
===========     =========       =====   ===
12564   Carol, Tara     [phone]  44
45321
45612   Knotts, Don     78
29878   Evans, Bob      [phone]
32122   Smith,  29
41221   Id, Bill        222-231-2322    33
41231
23121   Lemon, Jay      222-321-43
23341   Aaron, John     222-555-7321    34
12564   Carol, Tara     [phone]  44
45321

Create regular expressions that meet the following criteria. You may use grep or egrep to answer these questions.

1.Display all lines where the employee’s age is greater than 40 years old. Again, don’t think of this as a number, think of it as a series of characters.

Answer 1

ANSWER

grep "[^-][4-9][1-9]$" lab3test.txt

EXPLANATION (TEXT FILE, CODE AND OUTPUT)

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