On Jun 23, 6:37 pm, Vipin <[email protected]> wrote:
> I need to write a method such that when we pass on a string to it, it
> returns a substring out of it. returned string is such that it
> consists of numerals only. All the characters other than numerals are
> stripped away.
>
> e.g.
> " 2009-05-30 10:25:15 UTC" ==> 20090530102515
>
s.gsub(/[^0-9]/,'')
is more concise and probably faster
Fred
> I have written the following method for the same.
> It seems to be working but I am looking for your suggestions /
> feedback for
> --> performance improvment
> --> any bug that i am not able to see
>
> def getNumeralString(istr)
> x = istr.split(//)
> istr = ""
> x.each{|a|
> if a[0] >= '0'[0] && a[0] <= '9'[0]
> istr = istr +a
> end
> };
> return istr
> end
>
> Thanks for feedback
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