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by Helen Yu tags: strings, regex, validation
Create a function that takes a word and returns true if the word has two consecutive identical letters. Examples double_letters("loop") ➞ true double_letters("yummy") ➞ true double_letters("orange") ➞ false double_letters("munchkin") ➞ false Notes N/A
Create a function that takes a word and returns true
if the word has two consecutive identical letters.
double_letters("loop") ➞ true
double_letters("yummy") ➞ true
double_letters("orange") ➞ false
double_letters("munchkin") ➞ false
N/A