On Tue, 08 Dec 2009 12:11:13 -0500, li...@mgreg.com <li...@mgreg.com>  
wrote:

> Hi All,
>
> I'm currently using SQLITE in a few production apps.  I'm using various  
> languages such as Ruby, PERL, RB, etc.  I have need to use regular  
> expressions in some of my queries, but I'm not sure how to implement  
> "user defined functionality".  Where are the hooks?  Is there a  
> particular mechanism/language I must use to create them?  Is this  
> something I'm required to recompile SQLITE for?

You do so by defining a user function called 'regexp'.  The means by which  
one defines a user function depends on the language.  See, for instance,  
[1] for Ruby.  For a 'regexp' function you would specify two arguments,  
pattern and string to match against.

[1]  
<http://sqlite-ruby.rubyforge.org/sqlite3/classes/SQLite3/Database.html#M000115>

-- 
J. King
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