gistfile1.txt

SELECT 1 REGEXP ''
Got error 'empty (sub)expression' from regexp
 
SELECT 1 REGEXP '('
Got error 'parentheses not balanced' from regexp
 
SELECT 1 REGEXP '['
Got error 'brackets ([ ]) not balanced' from regexp
 
SELECT 1 REGEXP '\\'
Got error 'trailing backslash (\)' from regexp
 
SELECT 1 REGEXP '*'
Got error 'repetition-operator operand invalid' from regexp
 
SELECT 1 REGEXP 'a{1,1,1}'
Got error 'invalid repetition count(s)' from regexp
 
SELECT 1 REGEXP '[a-9]'
Got error 'invalid character range' from regexp
 
SELECT 1 REGEXP 'a{1,'
Got error 'braces not balanced' from regexp
 
SELECT 1 REGEXP '[[.ab.]]'
Got error 'invalid collating element' from regexp
 
SELECT 1 REGEXP '[[:ab:]]'
Got error 'invalid character class' from regexp