Make Zend Search Lucene more "sensitive"

I was wondering if someone knows what I need to do to make Zend Search more sensitive. Currently, say开发者_开发问答 I am searching for the word:

Penelope

from my index, I need to type in the entire word in order to get a match. What I'm after is that when I type 'P' it immediately returns relevant results for content having words beginning with 'P'.

I am using the standard

$index->find('Penelope');

Do I need to use the query builder to achieve this, or am I missing something obvious?

Thanks

According to the lucene documentation, you can use wildcards. ? for single character wildcards, and * for multicharacter wildcards. try something like this.

$index->find('Pe*');

More info here: http://framework.zend.com/manual/en/zend.search.lucene.query-language.html

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