More on grep command - English

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grep $
We can find pattern at the end of the line by $. Can we find pattern at the beginning of the line? grep "[78]...$" grepdemo.txt, how this command find scholarship between 7000 to 8999 ?
07-08M 0-10S sanniddhachakrabarti@gmail.com

Answer last updated on: March 19, 2021, 2:33 p.m.
grep "^A" grepdemo.txt
grep "^A" grepdemo.txt, why this command only highlight the roll number starting with A, why not names ?
06-07M 30-40S sanniddhachakrabarti@gmail.com

Answer last updated on: March 15, 2021, 1:07 p.m.

Outline:

More on grep command Search using grep To match more than one pattern To check a word that has different spelling Character class The use of * To match any one character using dot To match a pattern at the beginning of the file To match a pattern at the end of the file