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need a regular expression for extracting strings.

 
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I am not very familiar with the regular expression in java...

I want to get all the string tokens froma an expression eg.

from exression (abc+def)/abc then what will be the regular expression that returns only stings from the expression say

abc def abc ?
 
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Have you already read the Javadoc page of java.util.regex.Pattern?

Basically the solution is pretty simple:
 
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