sphinxsearchHow can I use regexp_filter with Sphinxsearch?
The regexp_filter is a powerful tool that can be used with Sphinxsearch to filter search results based on a regular expression pattern. This tutorial will show you how to use regexp_filter with Sphinxsearch.
- Create a Sphinx configuration file, and define an index with the regexp_filter option. For example:
source data_source
{
type = mysql
sql_query = \
SELECT id, title, content \
FROM table
sql_attr_uint = id
sql_attr_string = title
sql_attr_string = content
sql_field_string = title
sql_field_string = content
sql_query_info = SELECT * FROM table WHERE id=$id
index title
{
type = plain
regexp_filter = (\w+)
}
index content
{
type = plain
regexp_filter = (\w+)
}
}
- Once the configuration file is created, run the indexer command to create the index:
indexer --config /path/to/sphinx.conf --all
- After the index is created, you can now use the regexp_filter option in your search query. For example:
$query = 'SELECT * FROM data_source WHERE MATCH('title:myword regexp_filter:(\w+)')';
This will return all records that contain the word 'myword', as well as any words that match the regular expression pattern.
Helpful links
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