CyberChef/src/core/operations/FromCaseInsensitiveRegex.mjs

39 lines
1.2 KiB
JavaScript

/**
* @author masq [github.cyberchef@masq.cc]
* @copyright Crown Copyright 2018
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
/**
* From Case Insensitive Regex operation
*/
class FromCaseInsensitiveRegex extends Operation {
/**
* FromCaseInsensitiveRegex constructor
*/
constructor() {
super();
this.name = "From Case Insensitive Regex";
this.module = "Default";
this.description = "Converts a case-insensitive regex string to a case sensitive regex string (no guarantee on it being the proper original casing) in case the i flag wasn't available at the time but now is, or you need it to be case-sensitive again.<br><br>e.g. <code>[mM][oO][zZ][iI][lL][lL][aA]/[0-9].[0-9] .*</code> becomes <code>Mozilla/[0-9].[0-9] .*</code>";
this.infoURL = "https://wikipedia.org/wiki/Regular_expression";
this.inputType = "string";
this.outputType = "string";
this.args = [];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
return input.replace(/\[[a-z]{2}\]/ig, m => m[1].toUpperCase() === m[2].toUpperCase() ? m[1] : m);
}
}
export default FromCaseInsensitiveRegex;