Wiki Article · Cinematic

Input Validation

Input validation ek software practice hai jisme user se aane wale data ko check kiya jaata hai ki…

Overview

Input Validation — Quick Facts

📌

Property: Detail

🎯

Full Name: Input Validation (Data Validation…

⚡

Also Known As: Data validation, Field validation,…

🔑

Type: Software practice — Defensive…

Topic 1

Infobox

📚 | Property | Detail | |---|---| | Full Name | Input Validation (Data Validation / Form…

Topic 2

Simple Explanation

💡 Analogies | Analogy | Explanation | |---|---| | Bouncer at Club | Gate pe rules check —…

Topic 3

Why Input Validation Matters

🎯 | Reason | Detail | |---|---| | Security | Malicious input (SQL injection, XSS) ko pehle…

Topic 4

How Input Validation Works

⭐ | Step | What Happens | |---|---| | 1. User Enters Data | Form fill karta hai — name,…

Topic 5

Input Validation Workflow

🔑 `mermaid flowchart TD A[👤 User enters<br/>data in form] --> B[🖥️…

Topic 6

Client-side vs Server-side Validation

✨ | Aspect | Client-side | Server-side | |---|---|---| | Where | Browser (user's machine) |…

Topic 7

Validation Types

🌟 | Type | What It Checks | Example | |---|---|---| | Presence (Required) | Field empty to…

Topic 8

Common Validation Rules

🚀 | Field | Rules | Regex Pattern (common) | |---|---|---| | Email | Required, format, max…

Topic 9

Validation Strategies

📚 | Strategy | Description | When to Use | |---|---|---| | Whitelist (Allow-list) | Sirf…

Topic 10

Framework & Language Support

💡 | Framework / Language | Built-in Validation | |---|---| | HTML5 | required,…

Topic 11

Validation vs Sanitization vs Escaping

🎯 | Aspect | Validation | Sanitization | Escaping | |---|---|---|---| | Action | Check…

Topic 12

Common Mistakes

⭐ | Mistake | Why Dangerous | |---|---| | Client-side only validation | Attacker devtools…

Topic 13

Best Practices

🔑 | Practice | Reason | |---|---| | Server-side validation mandatory | Security ka real…

Comparison

Client-side vs Server-side Validation

⚖️

Where: Browser (user's machine)

⚖️

Technology: HTML5 attributes,…

⚖️

Speed: Instant — no network request

Comparison

Validation vs Sanitization vs Escaping

⚖️

Action: Check (pass/fail) — data change…

⚖️

When: Input time (before processing)

⚖️

Example: Email me @ nahi → reject

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Input Validation ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Input Validation ka 'Full Name' kya hai?

Complete! 🎉

Input Validation Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

✅