JavaScript regular [removed]Page range validation)

Question

Yesterday I\'ve got a task to implement a validation on the field where user can enter the range of pages that he wants to download.

After reading some tutorials, I

Answer 1

You can try the regex:

^(\d+(-\d+)?)(,\d+(-\d+)?)*$

To allow white spaces between you can do:

^(\s*\d+\s*(-\s*\d+\s*)?)(,\s*\d+\s*(-\s*\d+\s*)?)*$

Rubular link