Question: Given a string, return true if the first instance of x in the string is immediately followed by another x. doubleX(axxbb) true doubleX(axaxax) false doubleX(xxxxx)

Given a string, return true if the first instance of "x" in the string is immediately followed by another "x".

doubleX("axxbb") true doubleX("axaxax") false doubleX("xxxxx") true

Must work the following problem using a while loop or do while.

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