Simple regular expression for a decimal with a precision of 2

Question

What is the regular expression for a decimal with a precision of 2?

Valid examples:

123.12
2
56754
92929292929292.12
0.21
3.1

Answer 1

adding my answer too, someone might find it useful or may be correct mine too.

function getInteger(int){
  var regx = /^[-+]?[\d.]+$/g;
  return regx.test(int);
}


alert(getInteger('-11.11'));