The WordDelimiterFilter2 analysis plugin for ElasticSearch provides with an extension over the mainstream WordDelimiterFilter.
'com.yakaz.elasticsearch.plugins:elasticsearch-analysis-worddelimiter2:1.2.0'
<dependency>
<groupId>com.yakaz.elasticsearch.plugins</groupId>
<artifactId>elasticsearch-analysis-worddelimiter2</artifactId>
<version>1.2.0</version>
</dependency>
<dependency org="com.yakaz.elasticsearch.plugins" name="elasticsearch-analysis-worddelimiter2" rev="1.2.0"/>
"com.yakaz.elasticsearch.plugins", "elasticsearch-analysis-worddelimiter2", "1.2.0"