JSON Object. Invalid Character

Question

{"GetWorklistResult":

[{"AutomaticStepName":"-1","CallSetAfterAutomatic":null,"CurrentRecipient":"group\\K2FZ.SectionHead1","CurrentStep":"Section Head","DefaultStep":"Hold","EmployeeId":"103103","ExtraReader":"-1","Folio":"test","ForMyInformation":"group\\K2FZ.FinController1,group\\Hind.AlYouha,","ID":0,"JOReassign":"1","JobOwner":"group\\Noman.Siddiqui,group\\Fareed.Ahmed,group\\Sernan.Brigola","LastStep":"Requester","MoreDetailsActivity":"-1","Originator":"GROUP\\Noman.Siddiqui","OtherAction":"-1","ProcInstID":"250","ProcessFullName":"ExpendProposal\\ExpendProposal","ProcessID":"250","RequestOriginator":"GROUP\\Noman.Siddiqui","StartDate":"\/Date(1334571100357+0400)\/","TargetStep":"-1","URL":"http:\/\/workflowdev.dubaiworld.ae\/ExpendProposalCustoms\/Manager_Approval.aspx?sn=DWCGRDK2AP01,250,143"}]}

 

I have returned the JSON object but Im getting '\' character in URL and StartDate fields. Please can someone advise How can i remove this character?