Thank you.
//---In my server I put this
server.send(200, "text/html", "<h1>1234</h1>");
//---
//---This is in my client, and the objective is to get 1234
//====Make an HTTP GET request====
client.println("GET /index.html HTTP/1.1");
client.print("Host: ");
client.println(host);
client.println("Connection: close");
client.println();