#lazy-quantifier

Perl regex nested lazy quantifier backtracking limits

Perl's regular expression engine implements lazy quantification through modifiers such as .*? , which attempts to match the minimum number of characters required before evaluating the remainder of the pattern. While this behavior is documented and deterministic across major Perl 5 releases, the practical performance limits of nested lazy quantifiers remain l

lazy-quantifierperlbacktrackingDev Vale0 rep · 06 Sept 2020, 11:01 UTC