| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Mark Williams <markwillimas(at)gmail(dot)com> |
| Cc: | "pgsql-sql(at)lists(dot)postgresql(dot)org" <pgsql-sql(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Regular Expressions |
| Date: | 2018-11-04 19:25:21 |
| Message-ID: | CAKFQuwYrJxdyXKGB3SYU1Z+=wWupZJ_-kTNb4Ta=D2M2VQSQaQ@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-sql |
On Sunday, November 4, 2018, Mark Williams <markwillimas(at)gmail(dot)com> wrote:
>
> I can’t figure out how to search myfield for all instances which contain
> “text1” AND “text2”.
>
> In other words | is the OR operator. What is the AND operator. Tried + and
> whilst that executes, it doesn’t return matching fields.
>
> =====================
>
> Myfield ~* ‘text1’ AND myfield ~* ‘text2’
>
> There is no convenient concept of AND in the sense you want it in Regular
> Expressions and “+” has its own meaning of “one or more of the previous
> item”.
>
> David J.
>
>
>
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