Using regular expressions to validate a numeric range

Question

My input number is an int. But the input number must be in a range from -2055 to 2055 and I want to check this by using regular expression.

So is there anyway to wri

Answer 1

Yet another -

 #  ^-?0*(?:20(?:[0-4][0-9]|5[0-5])|[0-9]{1,3})$

 ^ 
 -?
 0*
 (?:
      20
      (?:
           [0-4] [0-9] 
        |  
           5 [0-5] 
      )
   |  
      [0-9]{1,3} 
 )
 $