What is the grep function also write the syntax of it?

1.	What is the grep function also write the syntax of it?
Answer» The grep function is USED as a filter an array list that RUNS a REGULAR expression and returns TRUE and EVALUATED element. Syntax @List = grep(Expression, @array).

Answer»

The grep function is USED as a filter an array list that RUNS a REGULAR expression and returns TRUE and EVALUATED element.

Syntax @List = grep(Expression, @array).

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