Re: Help composing Regex for matching only Titlecase words

You could try this

my $data = "Antler embedded in mound at South Street, Avebury, Wiltshi
+re, England. Comment (lab): Collagen fraction used";
while($data =~ /([A-Z]\S+?)\s/g)
{
        print $1." ";
}
[download]

Just remember that a lot of this contingent on your data, but that should work for any normal English paragraph with regular spacing rules.

UPDATE: I see a few monks pointing out words with two capital letters as a test case. This code will handle that as well since \S matches any non space character. It'll match "G!#^&*()-+_+234" if you gave it that. I actually tested that it works.

Comment on Re: Help composing Regex for matching only Titlecase words Download Code

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Re^2: Help composing Regex for matching only Titlecase words by kennethk (Abbot) on Mar 03, 2011 at 22:38 UTC
Unfortunately, yours does not meet spec. The OP specifies a desired output of `Antler South Street Avebury Wiltshire England Comment Collagen`. Your regex outputs `Antler South Street, Avebury, Wiltshire, England. Comment Collagen`. It would also miss any trailing words, as in "My name is Mike.". As much as it seems like a common sense term, a 'word' is notoriously elusive from a CS perspective.	[reply] [d/l] [select]