You're not going to believe that, are you? We know! This prompt is about as simple as it seems – you must identify any "1" characters in the given text. Let me know when you can do this without using any libraries or using external APIs. Make sure your answer is specific to the request and correct for both questions: You have been tasked with creating a new web application that allows users to input dates, times (either 24-hour time format or a specified date) and get back an array of events in order. The app should return error messages when it fails for some reason. It also needs to handle errors if the entered date is not within the valid range from January 1st, 1900 (independent of how you define that range). Here are the steps: - Firstly, analyze and explain in detail a detailed algorithm with proper explanation on how to check for the given conditions.