Faulty validation while trying to save conditional alert

Entered a valid regular expression but the validation won`t allow saving the config.

Also sometimes save on the page does not work. Returns the following error

Hi Andinet, I believe that regex is actually not valid. If you plug it into a regex tester like https://regex101.com, it'll confirm that. Their explanation is

  • Character range is out of order

That's because regexps operate on individual characters, not numbers, so the character class [6-10] is interpreted as "single character either in the range from 6 to 1, or 0". The range 6 to 1 is of course invalid.

Assuming you want to match the strings 6, 7, 8, 9, and 10, this should work: