el-extras

additional expression language functions for streamsets to aid in data transformation, validation, routing etc.

math:

15 additional math functions from java.lang.math including trig functions and a random integer generator

regex:

8 regex functions from java.util.regex
regex:matches works great for field validation

string:

25 string functions from java.lang.string
these are both new functions and replacements for stock streamsets str: expression language functions offering improved consistency with java.lang.string

date:

5 date functions for formatting and calculation specify formats as you would for java.text.SimpleDateFormat

to use, jar up and drop el-extras.jar in the streamsets-datacollector/libs-common-lib directory tested in streamsets 2.7, java 8