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Regex : better solution than ^[0-9]+(,[0-9]+)*$ ?


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Hi All,


I have a preg_match that checks if a string is made up of a number, or of a comma-separated list of numbers. The regex is :


When the form is processed, the browser crashes if the string is very long. (It does not if I just do not run the preg_match).


I guess the solution might be adjusting the pcre.backtrack_limit setting. However I would like to know if there is a better solution than the above preg_match to check the string.



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