Remove attributes from xml string

[rodneyart]

\[code\]<soap-env:envelope xmlns:soap-enc="" xmlns:soap-env=""> <soap-env:header> </soap-env:header> <soap-env:body> <ns1:createuserresponse> <username>weqew_825</username> <password>uwnoqedcjs</password> <result> <succeeded>true</succeeded> <errorcode>0</errorcode> <errortext></errortext> </result> </ns1:createuserresponse> </soap-env:body></soap-env:envelope>\[/code\]I want to remove \[code\]xmlns:soap-enc="" xmlns:soap-env=""\[/code\] from above string Thanks in advance