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| author | Karl Williamson <khw@cpan.org> | 2015-02-19 15:19:08 -0700 |
|---|---|---|
| committer | Karl Williamson <khw@cpan.org> | 2015-02-19 23:05:44 -0700 |
| commit | ae3bb8eaaa75dd43e8b8c8e32e106da36f49dee7 (patch) | |
| tree | d603c2149e568651c11035abc100775d6099eb68 /pod/perlretut.pod | |
| parent | 53255578b3ff804b2a8449c49c2ee29cccd56fb0 (diff) | |
| download | perl-ae3bb8eaaa75dd43e8b8c8e32e106da36f49dee7.tar.gz | |
Add qr/\b{wb}/
Diffstat (limited to 'pod/perlretut.pod')
| -rw-r--r-- | pod/perlretut.pod | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pod/perlretut.pod b/pod/perlretut.pod index c5d88910a2..cb399ab631 100644 --- a/pod/perlretut.pod +++ b/pod/perlretut.pod @@ -459,6 +459,11 @@ character C<\w\W> or C<\W\w>: Note in the last example, the end of the string is considered a word boundary. +For natural language processing (so that, for example, apostrophes are +included in words), use instead C<\b{wb}> + + "don't" =~ / .+? \b{wb} /x; # matches the whole string + You might wonder why C<'.'> matches everything but C<"\n"> - why not every character? The reason is that often one is matching against lines and would like to ignore the newline characters. For instance, |