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error 'parentheses not balanced' from regexp #204

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Gergely opened this issue Mar 16, 2017 · 0 comments

Gergely commented Mar 16, 2017 •

edited

Hi,

I am not sure if this bug report exists but we have found some trouble with REGEXP in MySQL

https://github.com/designwall/dw-question-answer/blob/master/inc/Ajax.php#L287

error 'parentheses not balanced' from regexp

Source: https://dev.mysql.com/doc/refman/5.7/en/regexp.html

It seems to be double escaped parentheses need there in some cases (?)

PHP addslashes() could be a solution.

Case:
type "? : ) [ ] { } ...." characters into search bar

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