regular expression in PatternReplaceFilter can handle: /([^/]*)
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Key: SOLR-2093
URL: https://issues.apache.org/jira/browse/SOLR-2093
Project: Solr
Issue Type: Bug
Components: Schema and Analysis
Affects Versions: 1.4
Environment: debian,JRE1.6,solr1.4
Reporter: Kuri Masta
Priority: Minor
Using PatternReplaceFilter i want to extract a certain word out of the URI.
Although I now understand that I should handle this outside of Solr, the fact
remains that Solr does not adequately handle regular expressions.
Viewing the source code, I don't see any problems since it uses the java
library.
The problem:
<analyzer type="index">
<tokenizer class="solr.WhitespaceTokenizerFactory"/>
<filter class="solr.PatternReplaceFilterFactory"
pattern="/([^/]*)/[^/]*$" replacement="$1"
replace="all" />
</analyzer>
Input text:
- a/b/c
Expected
- b
Result Solr
- ab
An online JAVA regexp tester (http://www.regexplanet.com/simple/index.html):
- b
So the problem area lies at /([^/])
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