[SOLR-1653] add PatternReplaceCharFilter

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4
• Fix Version/s: 1.5, 3.1, 4.0-ALPHA
• Component/s: Schema and Analysis
• Assignee: Koji Sekiguchi
• Reporter: Koji Sekiguchi
• Created: 13/Dec/09 16:52
• Updated: 30/Mar/11 15:45
• Resolved: 15/Dec/09 14:16

Description

Add a new CharFilter that uses a regular expression for the target of replace string in char stream.

Usage:

schema.xml

<fieldType name="textCharNorm" class="solr.TextField" positionIncrementGap="100" >
  <analyzer>
    <charFilter class="solr.PatternReplaceCharFilterFactory"
                groupedPattern="([nN][oO]\.)\s*(\d+)"
                replaceGroups="1,2" blockDelimiters=":;"/>
    <charFilter class="solr.MappingCharFilterFactory" mapping="mapping-ISOLatin1Accent.txt"/>
    <tokenizer class="solr.WhitespaceTokenizerFactory"/>
  </analyzer>
</fieldType>