Trim leading and trailing space from Json string

Question

I have a json string like below

 

{"customerCode":xxx,"shippingAmount":9.0,"shippingMethod":" Ground  ","customerAddress":{"line1":" 1595 Spring Hill rd ","line2":"ste  

 

I want to trim the leading space and trailing space in the json string. I used regex but doesn't seems to be working.