in reply to Regular expression

But didnt understand the meaning of regular expression totally..Please help

What did you understand?

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Re^2: Regular expression
by Anonymous Monk on Oct 30, 2012 at 06:11 UTC
    For split i understood that the data is splitted based on "|" .For eg : abc |efg abc and efg are obtained.but didnt understood y $-,2 and grep are used along with that.Plz explain
[reply]
      um, see split, first argument is regular expression, the other arguments are string to split, and the limit

      the grep is used to skip empty lines

[reply]

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