Stop Bad Input in Python! | Secure Coding Techniques | Python Input Validation Explained
It focuses on:
Accepting only string values for the username field.
Restricting the phone number field to only integers (no characters)
Validating the email field to avoid unwanted or invalid inputs
Secure coding and input validation best practices
What You’ll Learn in This Video:
In this video, we break down how to validate different types of user input in Python — including string-only usernames, digits-only phone numbers, and properly formatted email addresses. Whether you're building a login form, registration system, or any app that takes user input — this tutorial is a must-watch.
1. Accept only alphabetic values for the username field
2. Accept only numeric values for the phone number field
3. Accept properly formatted values in the email field
4. Prevent program crashes due to unexpected or invalid input
5. Apply best practices for secure input handling in Python
6. Use if else and logical operator and methods
7. Write clean, secure, and beginner-friendly Python code
📌 Timestamps for Easy Navigation:
00:00- Intro
00:30 - Why Input Validation is Important
01:46 - Validating Username (Only Alphabets Allowed)
03:01 - Validating Phone Number (Only Digits Allowed)
04:12 - Validating Email with Regex (No Invalid Emails)
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