Q. Which command will be used to match the pattern agarwal, Aggarwal, Agggarwal and agrawal in the file named empl.1st?
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(A)
grep “[aA]99*[ar][ra]wal” empl.1st
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(B)
grepag[ra][ar]wal empl.1st
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(C)
cutagrawal empl.1st
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(D)
grepag* empl.1st
✅ Correct Answer: (A)
grep “[aA]99*[ar][ra]wal” empl.1st