Grep Stack Overflow
hzhang@dell-work ~ $ cat sample.csv
abc, xyz
abc,1
abc,2
abc,3,xyz
hzhang@dell-work ~ $ grep abc sample.csv |grep -v "xyz$"
abc,1
abc,2
Green Team
hzhang@dell-work ~ $ cat sample.csv
abc, xyz
abc,1
abc,2
abc,3,xyz
hzhang@dell-work ~ $ grep abc sample.csv |grep -v "xyz$"
abc,1
abc,2