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Naheed Edges Palindrome #25

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21 changes: 20 additions & 1 deletion lib/palindrome_check.rb
Original file line number Diff line number Diff line change
@@ -1,5 +1,24 @@
# A method to check if the input string is a palindrome.
# Return true if the string is a palindrome. Return false otherwise.
require 'pry'
def palindrome_check(my_phrase)
raise NotImplementedError
if my_phrase == nil
return false
end
i = 0
j = my_phrase.length - 1
while i < j do
until my_phrase[i] != " "

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In the two nested inner loops, continue to check and confirm that i is less than j before comparing the character at the index i (or j) with a white space.

i +=1
end
until my_phrase[j] != " "
j -= 1
end
if my_phrase[i] != my_phrase[j]
return false
end
i += 1
j -= 1
end
return true
end