Re: New string functions; initdb required - Mailing list pgsql-hackers

Thomas Lockhart wrote:
> I've just committed changes which implement three SQL99 functions and
> operators. OVERLAY() allows substituting a string into another string,
> SIMILAR TO is an operator for pattern matching, and a new variant of

TODO item marked as done:
* -Add SIMILAR TO to allow character classes, 'pg_[a-c]%'

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