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Regex Question from K&B  RSS feed

 
Ranch Hand
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Given the command line invocation: java regex2 "\d*" ab34ef
What is the output of following code :



Answer given is : 01234456

Couldn't get it !! Please someone explain .
 
Rancher
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Check the ScjpFaq; there's an entry for this.
 
It is sorta covered in the JavaRanch Style Guide.
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