does /(?!)/
work for you? Regards, Boris On Tue, July 9, 2013 09:31, Paul Gilmartin wrote: > Kind of a programming challenge, in view of all the PCRE > chatter hereabouts lately: > > A vendor once supplied an interface where one of the required > arguments was a regex to exclude from processing any matching > line. But I wanted every line in my data processed. So, how? > For my particular data, I could use: > > /Pattern that I know does not occur in my data/ > > or: > > / \000 \012 / > > ... unlikely to occur in lines processed by sed or awk. But is there > a general case: a regex that will never match any string whatever? > > -- gil > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
