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
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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