Looking for a TokenFilter

I am indexing some files written in spanish in Solr, and sometimes appears chars like ¿D é ....

I wonder if there is some TokenFilter to avoid this chars when the text has accent (á, é, í, ó...) or 开发者_如何转开发letter ñ.

Thanks

I added it where every other filters are:

fieldType name="textTight" class="solr.TextField"
positionIncrementGap="100" >
analyzer>
tokenizer class="solr.WhitespaceTokenizerFactory"/>

    filter class="solr.SynonymFilterFactory"    

synonyms="synonyms.txt" ignoreCase="true" expand="false"/>
.... !-- Filtro para quitar acentos y ñññ-->
charFilter class="solr.MappingCharFilterFactory" mapping="mapping-ISOLatin1Accent.txt"/> ....
/analyzer>
/fieldType>

Of course I rebuild my index after that.

(I add this answer, because in the comment it wasn't clear enaugh)

If you need it for a latin language an easier solution is to use

solr.ASCIIFoldingFilterFactory

like in :

  <fieldType name="text" class="solr.TextField" omitNorms="false">
  <analyzer>
    <tokenizer class="solr.StandardTokenizerFactory"/>
    <filter class="solr.StandardFilterFactory"/>
    <filter class="solr.LowerCaseFilterFactory"/>
    <filter class="solr.ASCIIFoldingFilterFactory"/>
    <filter class="solr.SnowballPorterFilterFactory" language="Romanian" />
  </analyzer>
</fieldType>

see http://wiki.apache.org/solr/LanguageAnalysis for more advance usages.