Github user asfgit closed the pull request at:
https://github.com/apache/nifi/pull/833
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GitHub user devin-fisher opened a pull request:
https://github.com/apache/nifi/pull/833
Add String Escape Utils to Nifi Expression Language (redo)
jira:[NIFI-2460](https://issues.apache.org/jira/browse/NIFI-2460)
Added functions to escape and unescape common transport format
