> If DOTALL is set the result is the same. It seems that is_anchored() is in
> action. I think PCRE must not assume such patterns as anchored.
No.
/* .* means "start at start or after \n" if it isn't in brackets that
may be referenced. */
else if (op == OP_TYPESTAR || op == OP_TYPEMINSTAR || op == OP_TYPEPOSSTAR)
{
if (scode[1] != OP_ANY || (bracket_map & backref_map) != 0) return FALSE;
}
This assumption is wrong for those .*-s, which are inside an atomic block, or bactracking is broken by some recursive control verb like this one:
re> /.*?a(*PRUNE)b/
data> aab
No match
data>
re> /(*NO_START_OPT).*?a(*PRUNE)b/
data> aab
0: ab
Regards,
Zoltan
