diff options
Diffstat (limited to 'doc/html/pcre2compat.html')
| -rw-r--r-- | doc/html/pcre2compat.html | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/doc/html/pcre2compat.html b/doc/html/pcre2compat.html index 5238918..54fb643 100644 --- a/doc/html/pcre2compat.html +++ b/doc/html/pcre2compat.html @@ -34,13 +34,13 @@ that the next three characters are not "a". It just asserts that the next character is not "a" three times (in principle; PCRE2 optimizes this to run the assertion just once). Perl allows some repeat quantifiers on other assertions, for example, \b* (but not \b{3}, though oddly it does allow ^{3}), but these -do not seem to have any use. PCRE2 does not allow any kind of quantifier on +do not seem to have any use. PCRE2 does not allow any kind of quantifier on non-lookaround assertions. </P> <P> 3. Capture groups that occur inside negative lookaround assertions are counted, but their entries in the offsets vector are set only when a negative assertion -is a condition that has a matching branch (that is, the condition is false). +is a condition that has a matching branch (that is, the condition is false). Perl may set such capture groups in other circumstances. </P> <P> @@ -84,7 +84,7 @@ other character. Note the following examples: \QA\B\E A\B A\B \Q\\E \ \\E </pre> -The \Q...\E sequence is recognized both inside and outside character classes +The \Q...\E sequence is recognized both inside and outside character classes by both PCRE2 and Perl. </P> <P> @@ -152,8 +152,8 @@ in the release at the time of writing (5.32), \p{Lu} and \p{Ll} match all letters, regardless of case, when case independence is specified. </P> <P> -16. From release 5.32.0, Perl locks out the use of \K in lookaround -assertions. In PCRE2, \K is acted on when it occurs in positive assertions, +16. From release 5.32.0, Perl locks out the use of \K in lookaround +assertions. In PCRE2, \K is acted on when it occurs in positive assertions, but is ignored in negative assertions. </P> <P> |