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<!-- $PostgreSQL: pgsql/doc/src/sgml/textsearch.sgml,v 1.26 2007/10/25 13:06:35 alvherre Exp $ -->

<chapter id="textsearch">

<title id="textsearch-title">Full Text Search</title>

<row>

<entry><literal>asciiword</></entry>

<entry>Word, all ASCII letters</entry>

<entry><literal>foo</literal></entry>

<entry><literal>elephant</literal></entry>

</row>

<row>

<entry><literal>word</></entry>

<entry>Word, all letters</entry>

<entry><literal>f&oslash;&oslash;</literal></entry>

<entry><literal>ma&ntilde;ana</literal></entry>

</row>

<row>

<entry><literal>numword</></entry>

<row>

<entry><literal>asciihword</></entry>

<entry>Hyphenated word, all ASCII</entry>

<entry><literal>foo-bar</literal></entry>

<entry><literal>up-to-date</literal></entry>

</row>

<row>

<entry><literal>hword</></entry>

<entry>Hyphenated word, all letters</entry>

<entry><literal>f&oslash;&oslash;-bar</literal></entry>

<entry><literal>pol&iacute;tico-militar</literal></entry>

</row>

<row>

<entry><literal>numhword</></entry>

<entry>Hyphenated word, letters and digits</entry>

<entry><literal>foo-beta1</literal></entry>

<entry><literal>postgresql-beta1</literal></entry>

</row>

<row>

<entry><literal>hword_asciipart</></entry>

<entry>Hyphenated word part, all ASCII</entry>

<entry><literal>foo</literal> or <literal>bar</literal> in the context

<literal>foo-bar</literal></entry>

<entry><literal>militar</literal> in the context

<literal>pol&iacute;tico-militar</literal>, or <literal>postgresql</literal> in the context <literal>postgresql-beta1</literal></entry>

</row>

<row>

<entry><literal>hword_part</></entry>

<entry>Hyphenated word part, all letters</entry>

<entry><literal>f&oslash;&oslash;</literal>in the context

<literal>f&oslash;&oslash;-bar</literal></entry>

<entry><literal>f&iacute;sico</literal>or <literal>qu&iacute;mico</literal>

in the context<literal>f&iacute;sico-qu&iacute;mico</literal></entry>

</row>

<row>

<entry><literal>hword_numpart</></entry>

<entry>Hyphenated word part, letters and digits</entry>

<entry><literal>beta1</literal> in the context

<literal>foo-beta1</literal></entry>

<literal>postgresql-beta1</literal></entry>

</row>

<row>

<entry><literal>email</></entry>

<entry>Email address</entry>

<entry><literal>foo@bar.com</literal></entry>

<entry><literal>foo@example.com</literal></entry>

</row>

<row>

<entry><literal>protocol</></entry>

<row>

<entry><literal>url</></entry>

<entry>URL</entry>

<entry><literal>foo.com/stuff/index.html</literal></entry>

<entry><literal>example.com/stuff/index.html</literal></entry>

</row>

<row>

<entry><literal>host</></entry>

<entry>Host</entry>

<entry><literal>foo.com</literal></entry>

<entry><literal>example.com</literal></entry>

</row>

<row>

<entry><literal>uri</></entry>