Fix number validation to handle leading and trailing decimal thederse…

…n#230

src/backbone-validation.js

@@ -452,7 +452,7 @@ Backbone.Validation = (function(_){
     digits: /^\d+$/,
 
     // Matches any number (e.g. 100.000)
-    number: /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/,
+    number: /^-?(?:\d+|\d{1,3}(?:,\d{3})+)?(?:\.\d*)?$/,
 
     // Matches a valid email address (e.g. [email protected])
     email: /^((([a-z]|\d|[\[\]()!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[\[\]()!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/i,

test/validators/patterns.js

@@ -82,6 +82,8 @@ module.exports = {
             this.valid('-123,000.45');
             this.valid('123,000.00');
             this.valid('-123,000.00');
+            this.valid('.10');
+            this.valid('123.');
 
             this.invalid('abc');
             this.invalid('abc123');