jaytea commented on a Page, Kick by Nick length  -  Dec 20, 2011
1

For isnum, and I don't know why you put "1-", you could simply use: if ($2 isnum).

maybe because he wants to ensure $2 is positive? i mean, that much is obvious, but i can't see what else there is to be confused about.

also, i don't understand how you could use the phrase 'you could simply' and then include this in the same post

if ($regex(%n,/(.){ $+ $2 $+ }/)) {
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