I have a crystal report function which requires me to trim off characters which start with a \"-\" and delete the rest following the the \"-\" (dash).
For example,
I just posted this over on the SAP Community Network.
http://scn.sap.com/community/crystal-reports/blog/2013/01/31/regular-expressions-within-a-crystal-report
This certainly won't work for everyone, but it is an option.
Noel