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First, since there is no seperator, I would not first look to split, but rather to m//g in list context:

my $string = "ThisIsACamelCasedString"; my @split = $string =~ /([A-Z][a-z]*)/g; print "Parts: @split";

(This version just skips any part that does not match /[A-Z][a-z]*/; season to taste.)

Dealing with "AStringWithFTP" is trickier, at least without a dictionary. The only heuristic I may suggest is to treat sequences of upper-case characters as a word of its own if in final position or if preceding an uppercase-lowercase sequence:

my $string = "AStringWithFTPAndHTTP"; my @split = $string =~ /([A-Z](?:[A-Z]*(?=$|[A-Z][a-z])|[a-z]*))/g; print "Parts: @split";

That this is a heuristic is clear from noting that "ACString" is split as "AC", "String", and not as "A", "C", "String". But frankly, without a dictionary, I don't think there is a real solution.

Update: Oops, pasted the wrong code. Fixed now. Also added prints to make it easier to test that it really is the code I meant to post ...

Update2: Err, pasted the wrong right code too. Sorry, salva, I did not mean to steal it. /me *blushes* (Fixed now.)

print "Just another Perl ${\(trickster and hacker)},"
The Sidhekin proves Sidhe did it!


In reply to Re: How to split CamelCase? by Sidhekin
in thread How to split CamelCase? by isync

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