"Mark Williams" <markwillimas(at)gmail(dot)com> writes:
> Also, what would be the regular expression if you want to check whether all the words were in the field where you had say 10 words/phrases you wanted to check for?
As David said, regular expressions aren't really designed to do that.
Personally I'd do the AND at the SQL level, ie
myfield ~* '\mtext1\M' AND myfield ~* '\mtext2\M' AND ...
You might also take a look at the full text search machinery, which
is probably better suited to this task.
regards, tom lane