using grep -E to find peoples last names that begin with S but not include them is their first names begin with S

Question

Find people whose last name begins with S in the people.txt file (Your expression should match the entire last name, not just the initial S, and only capital S qualifies). Ensure that the first names that begin with S are not included.

the people.txt includes bellow:

Cardoza, Fred
Catto, Philipa
Duncan, Jean
Edwards, Neil
England, Elizabeth
Main, Robert
Martin, Jane
Meens, Carol
Patrick, Harry
Paul, Jeanine
Roberts, Clementine
Schmidt, Paul
Sells, Simon
Smith, Peter
Stephens, Sheila
Wales, Gareth
Zinni, Hamish

answer should be:

Schmidt, Paul
Smith, Peter

my answer currently includes:

Schmidt, Paul
Sells, Simon
Smith, Peter
Stephens, Sheila

pls elp me

i then edited it to not include peoples whos first names started with an s which was "[\ — Luca, Aug 02 '18 at 06:12

score 1 · Answer 1 · answered Aug 02 '18 at 06:15

1

grep -E "^S[^,]*, [^S]" People.txt

Regex ^S[^,]*, [^S] would match to the strings which start with 'S' and 'non-S' right behind the comma.

answered Aug 02 '18 at 06:15

CWLiu

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using grep -E to find peoples last names that begin with S but not include them is their first names begin with S

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