2016-11-18 07:54:29 -0800, Paul Eggert: > Stephane Chazelas wrote: > >Can that bug please be reopened so it can be addressed > >differenly (PCRE_MULTILINE removed, PCRE_DOLLAR_ENDONLY added)? > > Removing PCRE_MULTILINE will make 'grep' waaaay slower. Can you > think of a way of fixing the bug that doesn't involve removing > PCRE_MULTILINE?
Why would it make it slower. AFAICT, PCRE_MULTILINE *adds* some overhead. It is really meant to be only about changing the behaviour of ^ and $. Not-PCRE_MULTILINE is the default about everywhere else (including less, pcregrep, ssed -R). Do you have any particular test-case in mind? -- Stephane