From: Lucky Nl <lists@...>
Date: 2012-07-12T19:16:08+09:00
Subject: how to check string is numeric or not

Hi friends
I want to check the value is numeric or not
For example
when i am checking numeric or not am expecting as below results
"34" =>  true
34 => true
"34sdfds" => it should return false
34.90 =>  false

am using ruby 1.8.7. can anyone suggest isthere is anymethod exist to
check these

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