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garethflowers/is_numeric.sql

Last active May 3, 2021 22:05
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Checks whether a value is a valid Numeric
Raw
is_numeric.sql
CREATE OR REPLACE FUNCTION is_numeric(
ANYELEMENT
)
RETURNS BOOLEAN
LANGUAGE sql
IMMUTABLE
STRICT
AS $$
SELECT $1::TEXT ~ '^[-+]?[0-9]*[.]?[0-9]+$';
$$;
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