Re: array filter

So, yo are studying computer linguistics? ; )
-> searching in array elements substrings contained in another array

Ikegami's solution to build up a big filter-regex might be faster, but maybe this one is just simpler

@main=("In to the wild" ,"The catcher in the rye") ;
@filters=("the","in");


for $filter (@filters) { 
     s/\Q$filter\E//ig for @main; 
}


print "@main"; #  to  wild  catcher   rye
[download]

(tested in perlshell)

\Q and \E are for quoting possible regexcode in @filter. If you want to get rid of whitespaces or dupplicate replacements and so on just improve the regex, it's up to you!

Cheers LanX

- - - - - Which song???

Comment on Re: array filter Download Code

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Re^2: array filter by Anonymous Monk on Nov 18, 2008 at 11:34 UTC
Thanks to all. I tried to use the suggested solutions, but it seems I have not well specified what I meant: the words included in @filter must match when they're not embedded in other words... Using the code above, when @filter meets a phrase in @main that contains, for example, "Ethernet", it strips out "the" and it returns "Ernet" , and that's not what I meant... Sorry if I was unclear.. I tried anyway to do : `for $filter (@filters) { s/\Q\b$filter\b\E//ig for @main; }` [download] adding the \b bound delimiter, but still it doesn't work. How should I improve the regex to obtain what I need? Thank you again.	[reply] [d/l]
Re^3: array filter by LanX (Saint) on Nov 18, 2008 at 11:39 UTC
\b should be OK, but your escaping it within \Q and \E !!! Cheers LanX - - - - - Which song???	[reply]
Re^4: array filter by Anonymous Monk on Nov 18, 2008 at 11:46 UTC
ooops... Sorry, stupid me. Now it works! Thanks again for the help and... God bless the Monastery and all the Monks.	[reply]
Re^5: array filter by LanX (Saint) on Nov 18, 2008 at 11:52 UTC
Re^4: array filter by Anonymous Monk on Nov 18, 2008 at 11:48 UTC
oops... Stupid me! Sorry... Thanks again for all your kind help. God bless the Monastery and all the Monks.	[reply]
Re^3: array filter by LanX (Saint) on Nov 18, 2008 at 11:47 UTC
> .. Sorry if I was unclear.. I no prob, a certain unclearity was obvious and the reason why I gave you a simple and expandable approach to start with. 8 ) So, did you already think about the whitespaces left? ; ) You may want to consider \s* instead of \b. When speed is a matter think about tuning the final solution like ikegami showed you! Cheers LanX - - - - - Which song???	[reply]