Lines Matching refs:lookbehind

501        there are lookbehind assertions).  However,  this  algorithm  does  not
1812        simple assertions \b and \B require a one-character lookbehind. \A also
1813        registers  a  one-character  lookbehind,  though  it  does not actually
2071        with any kind of lookbehind. For example, consider the pattern
2178        lookbehind  assertions in the pattern, the check starts at the starting
2179        offset. Otherwise, it starts at the length of  the  longest  lookbehind
4150        (a)  Although  lookbehind  assertions  in PCRE2 must match fixed length
4151        strings, each alternative branch of a lookbehind assertion can match  a
4639        The maximum length of a lookbehind assertion is 65535 characters.
4958        form part of the final matched string; lookbehind assertions and the \K
5195        2. If a pattern contains a lookbehind assertion, characters  that  pre-
5201        Before doing any matching, find the length of the longest lookbehind in
5206        the  maximum lookbehind gets you to the earliest character that must be
5218        mum  lookbehind  count  is  3, so all characters before offset 2 can be
5220        When  pcre2test  displays  a partial match, it indicates the lookbehind
6145        is  similar  to  a lookbehind assertion (described below).  However, in
6147        to  be of fixed length, as lookbehind assertions do. The use of \K does
6340        PCRE2  does  not allow \C to appear in lookbehind assertions (described
6342        to  calculate  the  length  of  the lookbehind. Neither the alternative
7295        "bar". A lookbehind assertion is needed to achieve the other effect.
7311        contents of a lookbehind assertion are restricted  such  that  all  the
7323        strings are permitted only at the top level of a lookbehind  assertion.
7336        of a lookbehind assertion to get round the fixed-length restriction.
7338        The  implementation  of lookbehind assertions is, for each alternative,
7344        gle  code  unit even in a UTF mode) to appear in lookbehind assertions,
7353        Possessive quantifiers can  be  used  in  conjunction  with  lookbehind
7554        assertion.   This may be a positive or negative lookahead or lookbehind
9801        end of the subject. If there are no lookbehind assertions in  the  pat-
9803        the length of the longest lookbehind before the starting offset, or  at