Every line of 'match first letter - reverse' code snippets is scanned for vulnerabilities by our powerful machine learning engine that combs millions of open source libraries, ensuring your JavaScript code is secure.
51 function shiftLetter(original, shift) { 52 if (!original.match(/[a-z]/i)) return original; 53 var newValue = (mapping[original] + shift) % 26; 54 return alphabet[newValue]; 55 }
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