That's interesting. I've never cared much for the limited LIKE operator. Now when you prepare this:
 select * from azjunk6 where txt ~ ?

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Will it use the index when you execute the statement (e.g. with '^car[sz]')? My guess would be 'yes', and this might be the direction the OP should go.

In reply to Re^7: same query, different execution, different performance (substr) by runrig
in thread same query, different execution, different performance by punkish

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