What is the best way to delete strings in a string list that that match certain pattern?

Chris Rebert clp2 at rebertia.com
Fri Nov 6 05:25:24 CET 2009


On Thu, Nov 5, 2009 at 8:19 PM, Peng Yu <pengyu.ut at gmail.com> wrote:
> Suppose I have a list of strings, A. I want to compute the list (call
> it B) of strings that are elements of A but doesn't match a regex. I
> could use a for loop to do so. In a functional language, there is way
> to do so without using the for loop.
>
> I'm wondering what is the best way to compute B in python.

Since this sounds rather homework-y, I'll only give you a pointer:
http://docs.python.org/tutorial/datastructures.html#list-comprehensions

Cheers,
Chris
--
http://blog.rebertia.com



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