[pcre-dev] [Bug 1600] Issue with Regex

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Author: Prashant Joshi
Date:  
To: pcre-dev
Subject: [pcre-dev] [Bug 1600] Issue with Regex
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http://bugs.exim.org/show_bug.cgi?id=1600




--- Comment #5 from Prashant Joshi <pjoshi@???> 2015-03-19 13:01:40 ---
Hi,

We are using below as regex:

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.

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.

Please let me know why is above behavior? Also Are there any other regex
changes which do not work with PCRE 8.34.


Regards
Prashant Joshi
Team Lead C/C++ (CA Engagement)
HCL Technologies Ltd.
A-8/9, Sector 60, Noida 201301, U.P. (India)
Mob: +91-9717055938
E-Mail: pjoshi@???
www.hcltech.com
www.hcl.in

-----Original Message-----
From: admin@??? [mailto:admin@bugs.exim.org] On Behalf Of Philip
Hazel
Sent: Wednesday, March 18, 2015 8:58 PM
To: Prashant Joshi - ERS, HCL Tech
Subject: [Bug 1600] Issue with Regex

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You reported the bug.

http://bugs.exim.org/show_bug.cgi?id=1600




--- Comment #4 from Philip Hazel <ph10@???> 2015-03-18 15:27:37
---
On Wed, 18 Mar 2015, Prashant Joshi wrote:

> Can I have chat over phone for this issue.
> I have urgent escalation from customer for this issue.
> Quick response will be appreciated.


Phone is not helpful when dealing with details of regex. What is the
*exact* sequence of characters you are using for your regex? In other
words, what are you putting into the first box in www.regextester.com?

Or, more usefully, if you have access to the pcretest program, what is
the input and output to pcretest that demonstrates your problem?

Philip


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