--- code/trunk/doc/html/pcrematching.html 2009/09/01 16:10:16 429 +++ code/trunk/doc/html/pcrematching.html 2009/09/18 19:12:35 453 @@ -116,6 +116,12 @@ matches that start at later positions.

+Although the general principle of this matching algorithm is that it scans the +subject string only once, without backtracking, there is one exception: when a +lookbehind assertion is encountered, the preceding characters have to be +re-inspected. +

+

There are a number of features of PCRE regular expressions that are not supported by the alternative matching algorithm. They are as follows:

@@ -209,7 +215,7 @@


REVISION

-Last updated: 25 August 2009 +Last updated: 05 September 2009
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