ya i figured that out , there is a possibility that numbers having - sign are not being blocked so I modified by code . please tell if it is fine or not 

if (($array_H[$i] !~ /^[0-9]+$/) &&($array_H[$i] !~ /^-+$/))

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I am new to perl so please pardon me for obvious mistakes

In reply to Re^2: non numeric data by torres09
in thread non numeric data by torres09

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