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ApOgEE/PostgreSQL test if text can be cast to numeric

Forked from hschnegg/PostgreSQL test if text can be cast to numeric
Created June 23, 2022 11:47
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PostgreSQL: Test if text can be cast to numeric
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PostgreSQL test if text can be cast to numeric
select (mytext ~ '^([0-9]+[.]?[0-9]*|[.][0-9]+)$');
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