add regex pattern (HTML5 only) who check if syntax of line number is OK ...

[bawaaaaah]

add regex pattern (HTML5 only) who check if syntax of line number is OK for the folowing regex : ^(?:(?:(?:[0-9]+(?:-[0-9]+)?),)*(?:[0-9]+(?:-[0-9]+)?))?$ most readable regex to the following link: http://www.regexper.com/#^%28%3F%3A%28%3F%3A%28%3F%3A[0-9]%2B%28%3F%3A-[0-9]%2B%29%3F%29%2C%29%2A%28%3F%3A[0-9]%2B%28%3F%3A-[0-9]%2B%29%3F%29%29%3F%24

[ademcan]

Cool, thank you, I will check that.