Last active
May 14, 2018 14:03
-
-
Save maysam/8936e49679fdd4bb34973fa6268f2deb to your computer and use it in GitHub Desktop.
is it palandrome, if we only consider numbers and letters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
def isSomewhatPalandrome?(word) | |
i = 0 | |
j = word.length-1 # 1 | |
while(i<j) do | |
while ((i < word.length) && !(word[i].match /^[a-zA-Z0-9]$/)) do | |
i+=1 # 1 | |
end | |
while ((j > 0) && !(word[j].match /^[a-zA-Z0-9]$/)) do | |
j-=1 # j -> 0 | |
end | |
if ( | |
i <= j && | |
(word[i] != word[j]) && | |
(word[i].upcase != word[j]) && | |
(word[i] != word[j].upcase) | |
) | |
return false | |
end | |
i += 1 # 1 | |
j -= 1 # 29 | |
end | |
true | |
end | |
puts isSomewhatPalandrome?("A man, a plan, a canal, Panama!") | |
puts isSomewhatPalandrome?("Aan, a plan, a canal, Panama!") | |
puts isSomewhatPalandrome?(".1.") |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment