regex-tester first version implemented

backend/server.ts

@@ -4,6 +4,7 @@ import multipart from "@fastify/multipart";
 import { libreConvert } from "./src/routes/libreconvert.route";
 import { colorConvert } from "./src/routes/colorconvert.route";
 import {passwordGenerate} from "./src/routes/passwordgenerate.route";
+import { regexTest } from "./src/routes/regextest.route";
 
 const app = Fastify({ logger: true });
 
@@ -17,6 +18,7 @@ app.register(multipart);
 app.register(libreConvert);
 app.register(colorConvert);
 app.register(passwordGenerate);
+app.register(regexTest);
 
 const PORT = process.env.PORT || 4000;
 app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {

backend/src/routes/regextest.route.ts

@@ -0,0 +1,48 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+
+interface RequestBody {
+  input: string;
+}
+
+export async function regexTest(app: FastifyInstance) {
+  app.post(
+    "/api/regex-test",
+    async (
+      request: FastifyRequest<{ Body: RequestBody }>,
+      reply: FastifyReply,
+    ) => {
+      try {
+        const data = request.body;
+        if (!data) {
+          return reply.status(400).send({ error: "No Regex declared!" });
+        }
+        const regexPattern = data.input;
+
+        // Überprüfe, ob der Regex-Pattern korrekt ist
+        let regex: RegExp;
+        try {
+          regex = new RegExp(regexPattern);
+        } catch (e) {
+          return reply.status(400).send({ error: "Invalid regular expression!" });
+        }
+
+        // Teste den Regex
+        const result = regex.test(data.input);
+
+        // Erstelle eine Ausgabe basierend auf dem Test-Ergebnis
+        let output = "";
+
+        if (result) {
+          output = `The input matches the regular expression!`;
+        } else {
+          output = `The input does not match the regular expression.`;
+        }
+
+        reply.header("Content-Type", "text/plain").status(200).send(output);
+      } catch (error) {
+        console.error("Convert error:", error);
+        reply.status(500).send({ error: "Error while converting!" });
+      }
+    },
+  );
+}