regex support in queryparser needs documented, and called out in CHANGES.txt
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Key: LUCENE-3982
URL: https://issues.apache.org/jira/browse/LUCENE-3982
Project: Lucene - Java
Issue Type: Sub-task
Reporter: Hoss Man
Priority: Blocker
Fix For: 4.0
Spun off of LUCENE-2604 where everyone agreed this needed done, but no one has
done it yet, and rmuir didn't want to leave the issue open...
{quote}
some issues were pointed out in a recent mailing list thread that definitely
seem like they should be addressed before this is officially released...
* queryparsersyntax.xml doesn't mention this feature at all -- as major new
syntax is should really get it's own section with an example showing the syntax
* queryparsersyntax.xml's section on "Escaping Special Characters" needs to
mention that '/' is a special character
Also: Given that Yury encountered some real world situations in which the new
syntax caused problems with existing queries, it seems like we should
definitely make a note about this possibility more promonient ... i'm not sure
if it makes sense in MIGRATE.txt but at a minimum it seems like the existing
CHANGES.txt entry should mention it, maybe something like...
{noformat}
* LUCENE-2604: Added RegexpQuery support to QueryParser. Regular expressions
are now directly supported by the standard queryparser using the syntax...
fieldName:/expression/ OR /expression against default field/
Users who wish to search for literal "/" characters are advised to
backslash-escape or quote those characters as needed.
(Simon Willnauer, Robert Muir)
{noformat}
{quote}
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