SIMILAR TO generates an error when the correct pattern
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Key: CORE-4116
URL: http://tracker.firebirdsql.org/browse/CORE-4116
Project: Firebird Core
Issue Type: Bug
Affects Versions: 2.5.2 Update 1
Reporter: Simonov Denis
SELECT
CASE
WHEN '1.02,7' SIMILAR TO '[0-9]{1,2}\.[0-9]{2},[0-9]{1,2}' ESCAPE '\'
THEN 1
ELSE 0
END AS B
FROM RDB$DATABASE
Invalid String.
Invalid ESCAPE sequence.
if execute query
SELECT
CASE
WHEN '1.02,7' SIMILAR TO '[0-9]{1,2}\([0-9]{2},[0-9]{1,2}' ESCAPE '\'
THEN 1
ELSE 0
END AS B
FROM RDB$DATABASE
B
---
1 -- it's correct
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