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Zero Length Match

 
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OUTPUT
0-------1-------a
1-------1-------
2-------2-------
3-------3-------
4-------5-------a
5-------5-------

Can someone explain me clearly wats going on inside the while loop in the above code. I am unable to understand the impact of find()on start() end() and group().

Thank you,
Himalay
 
Himalay Majumdar
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i just got my answer here..

http://faq.javaranch.com/java/ScjpFaq#kb-regexp
 
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