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Which of the following symbols are used for matching multiple patterns?

Which of the following symbols are used for matching multiple patterns? Correct Answer ( and )

The | symbol is a delimiter of multiple patterns. Using it, we can match multiple patterns. For example, to match gupta and agarwal we can use the following command: $ grep -E ‘gupta|agarwal’ emp.lst Similarly to match sen gupta and das gupta use the following command: $ grep -E (sen|das)gupta emp.lst.

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