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From: Campbell, Lance <lance@illinois.edu>
To: pgsql-sql@postgresql.org <pgsql-sql@postgresql.org>
Subject: Find and replace
Date: Wed, 11 Sep 2019 20:24:07 +0000
Message-ID: <35490FCC-14AF-4D90-BF6E-A4F00518E41E@illinois.edu> (raw)

PostgreSQL 10.x

I don’t know the best way to do this.  I need to do a find and replace in text fields.  The value I need to find and replace may occur more than once in each field per record.

The value I am trying to match on:
Starts with a single { .
Ends with a single } .
In between these brackets can be the characters 0-9, a-z, A-Z, hyphens and underscores.  But no spaces.  These characters could be in any order.
The replacement value on a match is the same as what was found except for double {{ at the beginning and double }} at the end.  Same values between the brackets as what was matched on.

Example:
{ab_1D3-4} becomes {{ab_1D3-4}}

Thanks for helping me with this.

Lance Campbell
University of Illinois



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