How to replace a specific character in regex?

@jasen_gottlieb 

To replace a specific character using regex, you can use the replace method in JavaScript. Here's an example:

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let str = "Hello, World!";
let newStr = str.replace(/o/g, "x");
console.log(newStr); // Output: Hellx, Wxrld!

In this example, the character "o" is replaced by "x" in the string "Hello, World!". The g flag is used to replace all occurrences of the character in the string.