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http://bugs.exim.org/show_bug.cgi?id=1600 --- Comment #6 from Philip Hazel <[email protected]> 2015-03-19 15:59:45 --- On Thu, 19 Mar 2015, Prashant Joshi wrote: > Regex 1: > " /Letzter Messwert.*</th><td class="ActualDataTableBody" > align="center">([^<].*)</td><td class="ActualDataTableBody" > align="center">([^<].*)</td><td class="ActualDataTableBody" > align="center">([^<].*)</td></tr><tr><th scope="row" > class="ActualDataTableRowLabel">Mittelwert/" > > Attached text on which we tried to find above regex. What program are you using to handle that regex? PCRE is just a library, so it has to be called by another program. That program may well be pre-processing the regex before passing it to PCRE. > When I changed this regex to below regex it worked with 8.34: > Regex 2: > /Letzter Messwert[\s]+<\/th><td > class="ActualDataTableBody".*>[-+]?([0-9]*\.[0-9]+|[0-9]+)<\/td><td > class="ActualDataTableBody".*>[-+]?([0-9]*\.[0-9]+|[0-9]+)<\/td><td > class="ActualDataTableBody".*>[-+]?([0-9]*\.[0-9]+|[0-9]+)<\/td><\/tr><tr><th > scope="row" class="ActualDataTableRowLabel">Mittelwert/ > > Regex 1 is working with PCRE 0.2 but not with 8.34. > Regex 2 is working with PCRE 8.34. There never was a PCRE release 0.2, so I do not know what software you were using. The first release of PCRE was 0.91 (10-Sep-97). > Please let me know why is above behavior? Also Are there any other regex > changes which do not work with PCRE 8.34. It seems to me that whatever program you fed Regex 1 into was somehow processing it to allow for pairs of "" within the overall quotes, and was also handling the / delimiters within the pattern. I do not know what program might do that. Regex 2 looks like a regex delimited by / that is handled by a program that needs escaping internal / characters as \/ as you have done. The pcretest program will do this. So I ask again: what program are you actually passing your input to? Philip -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
