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

Check out this great tool which generates a regex for numeric ranges:

http://gamon.webfactional.com/regexnumericrangegenerator/

For the range requested by OP it generates: -?([0-9]{1,3}|1[0-9]{3}|20[0-4][0-9]|205[0-5])