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Reversing all alphabetic characters in JavaScript
Problem
We are required to write a JavaScript function that takes in a string str. The job of our function is to reverse it, omitting all non-alphabetic characters.
Example
Following is the code −
const str = 'exa13mple'; function reverseLetter(str) { const res = str.split('') .reverse() .filter(val => /[a-zA-Z]/.test(val)) .join(''); return res; }; console.log(reverseLetter(str));
Output
elpmaxe
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