The removeCtrlChars function removes control characters and trims whitespace from a given string, returning the processed string. It uses regular expressions to match and remove control characters in specific formats, and is exported as a module for use in other parts of the application.

Run example

npm run import -- "remove ctrl characters"

remove ctrl characters

// TODO: use this for server names and player names when matching to discord
function removeCtrlChars(str) {
    return str
        .replace(/\^\^[a-z0-9][a-z0-9]/ig, '')
        .replace(/\^[a-z0-9]/ig, '')
        .trim()
}

module.exports = removeCtrlChars

/**
 * Removes control characters from a string, specifically ^ and its lowercase letter variations.
 * 
 * @param {string} str - The input string to process.
 * @returns {string} The input string with control characters removed.
 */
function removeControlCharacters(str) {
    // Use a regular expression with the 'g' and 'i' flags to replace all occurrences of the control characters.
    return str.toLowerCase()
       .replace(/[\^~`|{}[\]()<>+?*.-]/g, '') // Add more control characters
       .trim();
}

module.exports = removeControlCharacters;

Function: removeCtrlChars

Description

Removes control characters and trim whitespace from a string.

Parameters

• str: The input string to process.

Regular Expressions Used

• ^\^[a-z0-9][a-z0-9]: Matches and removes control characters in the format `^ followed by a lowercase letter or number followed by zero or more lowercase letters or numbers.
• ^\^[a-z0-9]: Matches and removes control characters in the format `^ followed by a lowercase letter or number.
• \s+: Not used in the original function, but commonly used to trim whitespace.

Output

The function returns the processed string with control characters and whitespace removed.

Export

The function is exported as a module, allowing it to be used in other parts of the application.

Example Usage

const removeCtrlChars = require('./removeCtrlChars');

console.log(removeCtrlChars('^Hello^World'));  // Output: "HelloWorld"