RE: Regular Expressions

Thanks all. Have implemented by way of "AND" for time being. Full text
search on my list of todos!

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-----Original Message-----
From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Sent: 04 November 2018 19:55
To: Mark Williams <markwillimas(at)gmail(dot)com>
Cc: 'A. Sasaki' <asasaki(at)gmail(dot)com>; pgsql-sql(at)lists(dot)postgresql(dot)org
Subject: Re: Regular Expressions

"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