Special characters used in the dogstatsd protocol are not escaped #265
Description
The dogstatsd protocol's special characters occurring in metric names and tags are not escaped.
The following characters in tag keys and values should be replaced: |, ,, #, \n.
The following characters in metric names should be replaced: |, :, \n.
The java-dogstatsd-client library has the same issue: DataDog/java-dogstatsd-client#199
Some parts of this issue were reported in #83 and #211, too.