applying transfer to react app

node_modules/regex-parser/lib/index.js

@@ -0,0 +1,30 @@
+"use strict";
+
+/**
+ * RegexParser
+ * Parses a string input.
+ *
+ * @name RegexParser
+ * @function
+ * @param {String} input The string input that should be parsed as regular
+ * expression.
+ * @return {RegExp} The parsed regular expression.
+ */
+var RegexParser = module.exports = function (input) {
+
+    // Validate input
+    if (typeof input !== "string") {
+        throw new Error("Invalid input. Input must be a string");
+    }
+
+    // Parse input
+    var m = input.match(/(\/?)(.+)\1([a-z]*)/i);
+
+    // Invalid flags
+    if (m[3] && !/^(?!.*?(.).*?\1)[gmixXsuUAJ]+$/.test(m[3])) {
+        return RegExp(input);
+    }
+
+    // Create the regular expression
+    return new RegExp(m[2], m[3]);
+};

node_modules/regex-parser/lib/typings/regex-parser.d.ts

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+declare module 'regex-parser' {
+	function Parse(regexString: string): RegExp;
+
+	export = Parse;
+}