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Re: Replacing matches within string without splitting.

by NetWallah (Monsignor)
on Jan 02, 2013 at 06:44 UTC ( #1011214=note: print w/ replies, xml ) Need Help??


in reply to Replacing matches within string without splitting.

Typically, leading zero printing, and other formatting is done using sprintf and friends: 

 perl -E '$x="2,42,1,3";  printf "%.2d ",$_ for  eval("($x)") ; print 
+"\n"'
02 42 01 03 

[download]
Update: Replaced with better example.

             "By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest."           -Confucius


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