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Thread: Count number of digits in a word
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Old 01-05-2009
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radoulov radoulov is offline Forum Staff  
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Or:

Code:
% perl -le'print shift=~/\d{5}$/?"OK":"KO"' abcd1234
KO
% perl -le'print shift=~/\d{5}$/?"OK":"KO"' abcd12345
OK