Hi Steve, In case of span queries, the span first query can specify the start of the span, is it possible to specify the term [not the position] indicating the end of the span ?
-- Regards Ba3 Steven A Rowe wrote: > > Hi ba3, > > Check out the list of "Direct Known Subclasses" from the SpanQuery > javadocs to see what's available: > > http://lucene.apache.org/java/2_4_1/api/org/apache/lucene/search/spans/SpanQuery.html > > SpanRegexQuery may be what you're looking for: > > http://lucene.apache.org/java/2_4_1/api/org/apache/lucene/search/regex/SpanRegexQuery.html > > > Steve > >> -----Original Message----- >> From: ba3 [mailto:sbadhrin...@gmail.com] >> Sent: Tuesday, July 28, 2009 12:53 PM >> To: java-user@lucene.apache.org >> Subject: Re: Multiline Regex with Lucene >> >> >> Hi, >> >> Thanks for the pointers. I will try the span queries. >> But can span query support regexp as a term ? >> >> Also for more details in the problem : >> The problem is like this: >> find a search string inside a block of statements. >> The block starts with a string and ends with a character. >> >> -- Regards >> Ba3 >> >> >> >> Erick Erickson wrote: >> > >> > I doubt you're thinking in terms of tokens. Your inputstream is broken >> up >> > into tokens (think of them as words, >> > depending upon the analyzer) and regex searchers are >> > confined to those *tokens*. So the concept of a multi-line >> > regex in a search is kind of ...odd... >> > >> > You could possibly index your input as UN_TOKENIZED, but >> > I really have no clue what Lucene would do with that. I think >> > you're off in uncharted territory here. >> > >> > Perhaps a better thing would be for you to explain *why* you >> > want to do this and perhaps folks can come up with some >> > suggestions, I suspect this may be an XY problem, see >> > http://www.perlmonks.org/index.pl?node_id=542341 >> > >> > Best >> > Erick >> > >> > On Sun, Jul 26, 2009 at 9:52 AM, ba3 <sbadhrin...@gmail.com> wrote: >> > >> >> >> >> I was trying to do a regex search with the lucene and >> >> JavaUtilRegexCapabilities. >> >> The code used is : >> >> RegexQuery query = new RegexQuery(new >> >> Term("contents","(?m)hello.*(\r[^#]*)This is to be >> >> searched.*(\r[^#]*)#")); >> >> query.setRegexImplementation(new JavaUtilRegexCapabilities()); >> >> >> >> I verified the regex in : http://www.gskinner.com/RegExr/ [with the >> >> multi >> >> line checked] >> >> In lucene though there are no hits. Can you please point me in the >> right >> >> direction >> >> >> >> -- Rgds >> >> Ba3 >> >> >> >> Regex : >> >> hello.*(\r[^#]*)This is to be searched.*(\r[^#]*)# >> >> >> >> Content : >> >> hello world >> >> This is to be searched >> >> # >> >> Test line should not be selected >> >> hello >> >> This should not work >> >> some other lines >> >> # >> >> Not to be selected >> >> hello world >> >> Some lines >> >> This is to be searched >> >> Some lines >> >> # >> >> hello earth >> >> some lines >> >> # >> >> -- >> >> View this message in context: >> >> >> http://www.nabble.com/Multiline-Regex-with-Lucene-tp24667109p24667109.html >> >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. >> >> >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> >> >> >> > >> > >> >> -- >> View this message in context: http://www.nabble.com/Multiline-Regex-with- >> Lucene-tp24667109p24703547.html >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > -- View this message in context: http://www.nabble.com/Multiline-Regex-with-Lucene-tp24667109p24711445.html Sent from the Lucene - Java Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
