Captcha: Captcha is a program used to protects websites through bots. It generates some tests that human can read and pass it but current computer can not do. For example, humans can read distorted text but computer can not read. The CAPTCHA is the abbreviation of Completely Automated Public Turing Test To Tell Computers and Humans Apart.
There are many paid software in market which detect captcha code. The Tessaract.js library is used to identifying numbers from the text.
Note: Its prediction is not 100% accurate however it can improve accuracy by using the str.replace(“”, “”) method. Only numeric captcha can be solved easily by using this method.
- Password Verification in Node
- Nodejs | Automatic restart NodeJs server with nodemon
If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to firstname.lastname@example.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.
Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.