Can't find documentation for ~=~ operator

From: Viktor Rosenfeld <listuser36(at)googlemail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Can't find documentation for ~=~ operator
Date: 2009-10-15 06:35:20
Message-ID: 20091015063520.GF203@stan
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Hi,

I can't find the documentation of the ~=~ operator anywhere on the
PostgreSQL homepage. I'm quite certain that I saw it there a while ago,
though.

FYI, I use ~=~ for equality checks, so I can use the same index for
equality and regexp pattern matching on a varchar field. The index is
built with varchar_pattern_ops.

Cheers,
Viktor

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