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regex question

 
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Hi



The command line values:

args[0] - "\d*"
args[1] - ab34ef

The answer given is 01234456.

I can able to understand 0123445. But please explain me how that 6 come.
 
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That's because your string starts at index 0 and ends at index 6. A better explaination is here
 
Consider Paul's rocket mass heater.
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