/[pcre]/code/trunk/doc/pcrecompat.3
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revision 459 by ph10, Sun Oct 4 09:21:39 2009 UTC revision 461 by ph10, Mon Oct 5 10:59:35 2009 UTC
# Line 77  the Line 77  the
77  documentation for details.  documentation for details.
78  .P  .P
79  9. Subpatterns that are called recursively or as "subroutines" are always  9. Subpatterns that are called recursively or as "subroutines" are always
80  treated as atomic groups in PCRE. This is like Python, but unlike Perl. There  treated as atomic groups in PCRE. This is like Python, but unlike Perl. There
81  is a discussion of an example that explains this in more detail in the  is a discussion of an example that explains this in more detail in the
82  .\" HTML <a href="pcrepattern.html#recursiondifference">  .\" HTML <a href="pcrepattern.html#recursiondifference">
83  .\" </a>  .\" </a>
# Line 97  the pattern /^(a(b)?)+$/ in Perl leaves Line 97  the pattern /^(a(b)?)+$/ in Perl leaves
97  (*COMMIT), (*PRUNE), (*SKIP), and (*THEN), but only in the forms without an  (*COMMIT), (*PRUNE), (*SKIP), and (*THEN), but only in the forms without an
98  argument. PCRE does not support (*MARK).  argument. PCRE does not support (*MARK).
99  .P  .P
100  12. PCRE's handling of duplicate subpattern numbers and duplicate subpattern  12. PCRE's handling of duplicate subpattern numbers and duplicate subpattern
101  names is not as general as Perl's. This is a consequence of the fact the PCRE  names is not as general as Perl's. This is a consequence of the fact the PCRE
102  works internally just with numbers, using an external table to translate  works internally just with numbers, using an external table to translate
103  between numbers and names. In particular, a pattern such as (?|(?<a>A)|(?<b)B),  between numbers and names. In particular, a pattern such as (?|(?<a>A)|(?<b)B),
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