JSFiddle - React, Tailwind, and code Playground

by BrankoSabo

JavaScript

// Your string
var string = "[\\\"R\\\",\\\"K\\\"]";

// Define a regex pattern to match letters
var letterPattern = /[A-Za-z]/g;

// Find all matches of the letter pattern in the string
var matches = string.match(letterPattern);

if (matches) {
    // If matches were found, print the first match (assuming there's only one letter)
    console.log("Letter found: " + matches);
} else {
    console.log("No letters found in the string.");
}