Hello pgsql community,
Is there any string function (other than regex / scan & compare loop) to
obtain a list (or even a count) of characters within a string?
strpos and position seems to return only first occurence of a
char/string within substring.
The goal is to check if a string contains equal number of opening and
closing parenthesis, and if there are any of them.
Regards,
Piotr Czekalski
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