07-11-2017
Quote:
Originally Posted by
RudiC
Nice approach. You might want to add a plus sign or a star to allow for multiple words. And, not sure if two or more adjacent minus signs are acceptable?
You are right, the missing asterisk was a typo, which i have corrected now. Thank you for spotting it.
You are right about adjacent hyphens maybe being not allowed, but that is a lack of information from the threads o/p. If he can better specify his needs i can construct better suited regexps. The point, though, was to show how a regexp can be constructed from a specification at all.
all the best
bakunin
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LEARN ABOUT DEBIAN
plucene::search::termquery
Plucene::Search::TermQuery(3pm) User Contributed Perl Documentation Plucene::Search::TermQuery(3pm)
NAME
Plucene::Search::TermQuery - a query that contains a term
SYNOPSIS
# isa Plucene::Search::Query
$term_query->normalize($norm);
my $ssw = $term_query->sum_squared_weights($searcher);
my $as_string = $term_query->as_string($field);
DESCRIPTION
A query that matches a document containing a term.
Term query are the simplest possible Plucene queries and are used to match a single word. Term queries are represented by instances of the
TermQuery class and contain the desired term (word) and a field name, both are case sensitive.
The field specified in a Term query must be a document field that was specified as 'indexible' during the indexing process. If the field
was specified during indexing as 'tokenized' than the term will be matched against each of tokens (words) found in that field, otherwise,
it will be matched against the entire content of that field.
A term query may have an optional boost factor (default = 1.0) that allows to increase or decrease the ranking of documents it matches.
METHODS
term / idf / weight
Get / set these attributes
sum_squared_weights
my $ssw = $term_query->sum_squared_weights($searcher);
This will return the sum squared weights for the passed in searcher.
normalize
$term_query->normalize($norm);
to_string
my $as_string = $term_query->as_string($field);
perl v5.12.4 2011-08-14 Plucene::Search::TermQuery(3pm)