Interview Questions

Q. You have a large file where you want to replace a lot of variable names. Fore example

Jon skeet
Alan Bradley
Micheal Moore

There are 500 entries. You want to remove the last name, how will you you do?

A. I will use regular expressions. Something like this
Find : [space].+
Replace: [empty string]

Q. In question 1 above, lets say you want to insert a dash(-) between first and last name, can yo do it?

A. Yes. It depends one different editors. In textmate I can use
Find: [space].+
Replace: – $0

$0 contains the whole string that was found using regular expression.

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