Lines Matching full:backtracking
1604 backtracking into it. Backtracking past it to previous items, however, works as
1645 there is no point in backtracking into a sequence of A's when B must follow.
1805 cause backtracking into the middle of the group.
1859 The backtracking control verb (*FAIL) or (*F) is a synonym for (?!).
1945 there can be no backtracking for the .*+ item; it can match only the entire
2221 to avoid backtracking into sequences of non-parentheses.
2325 treated as an atomic group, there are now no backtracking points, and so the
2358 the use of the possessive quantifier *+ to avoid backtracking into sequences of
2471 .SH "BACKTRACKING CONTROL"
2474 Perl 5.10 introduced a number of "Special Backtracking Control Verbs", which
2480 Since these verbs are specifically related to backtracking, most of them can be
2482 a backtracking algorithm. With the exception of (*FAIL), which behaves like a
2503 included backtracking verbs will not, of course, be processed. You can suppress
2529 This verb causes the match to fail, forcing backtracking to occur. It is
2607 .SS "Verbs that act after backtracking"
2612 the verb, a failure is forced. That is, backtracking cannot pass to the left of
2615 there is never any backtracking into it. In this situation, backtracking can
2619 These verbs differ in exactly what kind of failure occurs when backtracking
2658 happens. Backtracking can occur as usual to the left of (*PRUNE), before it is
2660 the right, backtracking cannot cross (*PRUNE). In simple cases, the use of
2681 effect as this example; although it would suppress backtracking during the
2699 backtracking, but only within the current alternation. Its name comes from the
2706 second alternative and tries COND2, without backtracking into COND1. The
