DECLARE
phone TEXT := $1;
areacode TEXT := $2;
+ temp TEXT := '';
output TEXT := '';
n_digits INTEGER := 0;
BEGIN
- output := REGEXP_REPLACE(phone, '[^0-9]*([0-9]{3})[^0-9]*([0-9]{3})[^0-9]*([0-9]{4})', E'\\1-\\2-\\3');
- n_digits := LENGTH(REGEXP_REPLACE(output, '[^0-9]', '', 'g'));
+ temp := REGEXP_REPLACE(phone, '^1[^0-9]*', '');
+ temp := REGEXP_REPLACE(temp, '[^0-9]*([0-9]{3})[^0-9]*([0-9]{3})[^0-9]*([0-9]{4})', E'\\1-\\2-\\3');
+ n_digits := LENGTH(REGEXP_REPLACE(temp, '[^0-9]', '', 'g'));
IF n_digits = 7 THEN
- RETURN (areacode || '-' || output);
+ temp := REGEXP_REPLACE(temp, '[^0-9]*([0-9]{3})[^0-9]*([0-9]{4})', E'\\1-\\2');
+ output := (areacode || '-' || temp);
ELSE
- RETURN output;
+ output := temp;
END IF;
+ RETURN output;
END;
$$ LANGUAGE PLPGSQL STRICT VOLATILE;