diff options
| -rw-r--r-- | pod/perlfunc.pod | 8 | ||||
| -rw-r--r-- | pod/perlop.pod | 6 |
2 files changed, 13 insertions, 1 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 15b8220839..f12b8d9feb 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -4417,6 +4417,14 @@ name is returned instead. You can think of C<ref> as a C<typeof> operator. print "r is not a reference at all.\n"; } +The return value C<LVALUE> indicates a reference to an lvalue that is not +a variable. You get this from taking the reference of function calls like +C<pos()> or C<substr()>. C<VSTRING> is returned if the reference points +to a L<version string|perldata\"Version Strings">. + +The result C<Regexp> indicates that the argument is a regular expression +resulting from C<qr//>. + See also L<perlref>. =item rename OLDNAME,NEWNAME diff --git a/pod/perlop.pod b/pod/perlop.pod index 411414c815..e02ad41f50 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -1056,11 +1056,15 @@ This operator quotes (and possibly compiles) its I<STRING> as a regular expression. I<STRING> is interpolated the same way as I<PATTERN> in C<m/PATTERN/>. If "'" is used as the delimiter, no interpolation is done. Returns a Perl value which may be used instead of the -corresponding C</STRING/imosx> expression. +corresponding C</STRING/imosx> expression. The returned value is a +normalized version of the original pattern. It magically differs from +a string containing the same characters: ref(qr/x/) returns "Regexp", +even though dereferencing the result returns undef. For example, $rex = qr/my.STRING/is; + print $rex; # prints (?si-xm:my.STRING) s/$rex/foo/; is equivalent to |