On Sat, 13 Jul 2019, ND via Pcre-dev wrote: > PCRE try to detect starting code units in attempt to apply a start > optimization. > As we can see from next two examples, it detects starting code units for > "[^ab]", but don't doing this for "[^a]". I think it looks a bit curiously. > May be "[^a]" can use the same algorithm as "[^ab]"?
[^a] is optimized into a different (faster) opcode; I will see if this can easily produce the same starting code units as [^ab] for tidyness. I do not expect it will do much for performance. Philip -- Philip Hazel -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
