For this code:
''3d6+1'.match(^(\d+)*(d)*(\d)*([\+|-])*(\d)*)
This was the output:
undefined:1
''3d6+1'.match(^(\d+)*(d)*(\d)*([\+|-])*(\d)*)
^
SyntaxError: Unexpected number
at Object.<anonymous> (/var/ws/eval-js.js:11:26)
at Module._compile (module.js:556:32)
at Object.Module._extensions..js (module.js:565:10)
at Module.load (module.js:473:32)
at tryModuleLoad (module.js:432:12)
at Function.Module._load (module.js:424:3)
at Module.runMain (module.js:590:10)
at run (bootstrap_node.js:394:7)
at startup (bootstrap_node.js:149:9)
at bootstrap_node.js:509:3