What is the regex pattern for all the even numbers between 2-200?

Question

I have an input field where it will accept only numbers between 2-200 and it should be even numbers.I want the regular expression for all the even numbers between 2-200 please help.

Answer 1

If you really must do via regex then this will work:

^(?!.*?[13579]$)([2-9]|[1-9][0-9]|1[0-9]{2}|200)$

Online Demo: http://regex101.com/r/mO2qI6

Answer 2

Regex is not something design to find the number in a range, you should preferably use:

if( (2 <= number <= 200) && (number %2 ==0))
{
   // doyour stuff
}