guest598594 commented on a Page, Character/Number check - Oct 23, 2008

if ((0 isin $2-) || (1 isin $2-) || (2 isin $2-) || (3 isin $2-) || (4 isin $2-) || (5 isin $2-) || (6 isin $2-) || (7 isin $2-) || (8 isin $2-) || (9 isin $2-)) {

You could do

if ($regex($2-,/\d/)) {

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