Invalid regular expression: missing /

[uoxiu]

Problem with minifying regular expressions

Test.js:

  var a = 1;
  var E = /[-a-zA-Z0-9@:%_\+.~#?&//=]{2,256}\.[a-z]{2,4}\b(\/[-a-zA-Z0-9@:%_\+.~#?&//=]*)?/i;
  var b = 2;

Result: http://i.imgur.com/pKOHCxe.png

*** Regex extracted from angular-material.js