You can see the supported syntax here:
<http://lucene.apache.org/core/4_4_0/core/org/apache/lucene/util/automaton/RegExp.html>.
On Aug 29, 2013, at 11:57 AM, "Hugh Cayless, Ph.D." <hugh.cayl...@duke.edu>
wrote:
> Hi, I can't find anywhere good documentation of what syntax is allowed in
> Solr 4.4 regular expression searches. I can get regexes to work, but the same
> search with a predefined character class (like \s) or a word boundary matcher
> (\b) returns nothing. I am searching an untokenized field and using a plain
> space (' ') instead of '\s' works fine.
>
> Is there a different escape syntax for regex constructs using a backslash? Is
> the regex support just incomplete? Or am I hitting some sort of bug?
>
> Thanks,
> Hugh
