mirror of https://github.com/gchq/CyberChef.git
65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
/**
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* Identifier extraction functions
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*
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*
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*/
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/**
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* Runs search operations across the input data using regular expressions.
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*
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* @param {string} input
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* @param {RegExp} searchRegex
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* @param {RegExp} [removeRegex=null] - A regular expression defining results to remove from the
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* final list
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* @param {Function} [sortBy=null] - The sorting comparison function to apply
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* @param {boolean} [unique=false] - Whether to unique the results
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* @returns {string}
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*/
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export function search(input, searchRegex, removeRegex=null, sortBy=null, unique=false) {
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let results = [];
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let match;
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while ((match = searchRegex.exec(input))) {
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// Moves pointer when an empty string is matched (prevents infinite loop)
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if (match.index === searchRegex.lastIndex) {
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searchRegex.lastIndex++;
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}
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if (removeRegex && removeRegex.test(match[0]))
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continue;
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results.push(match[0]);
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}
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if (sortBy) {
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results = results.sort(sortBy);
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}
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if (unique) {
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results = results.unique();
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}
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return results;
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}
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/**
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* URL regular expression
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*/
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const protocol = "[A-Z]+://",
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hostname = "[-\\w]+(?:\\.\\w[-\\w]*)+",
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port = ":\\d+",
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path = "/[^.!,?\"<>\\[\\]{}\\s\\x7F-\\xFF]*" +
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"(?:[.!,?]+[^.!,?\"<>\\[\\]{}\\s\\x7F-\\xFF]+)*";
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export const URL_REGEX = new RegExp(protocol + hostname + "(?:" + port + ")?(?:" + path + ")?", "ig");
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/**
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* Domain name regular expression
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*/
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export const DOMAIN_REGEX = /\b((?=[a-z0-9-]{1,63}\.)(xn--)?[a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,63}\b/ig;
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