[rules-users] how to use funtion and how to compare values , when you write rule

[Rahul Upadhyay]

Hi
  In My application, I have a string , I want to calculate  its length then
want to  compare  weather it is less then or more then some value let 10.

How can I do this in rule, I am using BRMS guided rules editor. 
Thanks in advance 
Regards 

Rahul upadhyay
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