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Wiki Article · Cinematic

Input Validation

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

Overview
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Input Validation — Quick Facts

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Property: Detail

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Full Name: Input Validation (Data Validation…

Also Known As: Data validation, Field validation,…

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Type: Software practice — Defensive…

Topic 1
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Infobox

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

💡 Analogies | Analogy | Explanation | |---|---| | Bouncer at Club | Gate pe rules check —…
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Why Input Validation Matters

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

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

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

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

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

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

📚 | Strategy | Description | When to Use | |---|---|---| | Whitelist (Allow-list) | Sirf…
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Framework & Language Support

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

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

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

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

Client-side vs Server-side Validation

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Where: Browser (user's machine)

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Technology: HTML5 attributes,…

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Speed: Instant — no network request

Comparison

Validation vs Sanitization vs Escaping

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

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When: Input time (before processing)

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Example: Email me @ nahi → reject

Diagram
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Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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Input Sanitization

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Form Validation

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Regular Expression

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SQL Injection

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Cross-site Scripting

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Input

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

Input Validation ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

Input Validation ka 'Full Name' kya hai?

Complete! 🎉
COMPLETE

Input Validation Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

Input Validation Complete

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Input Sanitization

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