Can someone tell me the difference between these two snippets? I'm trying to recognize numbers in a variable and return an error if a number is detected. For example, there is no reason to have a number in the "name" field. 

if ($var1 =~ /^[0-9]+$/);
if ($var2 =~ /^\S{11,}$/);

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In reply to Recognizing numbers by htmanning

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