RegEx: How can I match all numbers greater than 49?

Question

I\'m somewhat new to regular expressions and am writing validation for a quantity field where regular expressions need to be used.

How can I match a

Answer 1

I know this is old, but none of these expressions worked for me (maybe it's because I'm on PHP). The following expression worked fine to validate that a number is higher than 49:

/([5-9][0-9])|([1-9]\d{3}\d*)/