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Variable Name Validator - Multi-Language Naming Convention Checker

Validate variable names against multiple programming language naming conventions and standards

Key Facts

Category
Development
Input Types
text, select
Output Type
json
Sample Coverage
4
API Ready
Yes

Overview

The Variable Name Validator checks if your variable names adhere to the naming conventions of popular programming languages. Enter a name, select a language and style, and get instant validation feedback to ensure code quality and consistency.

When to Use

  • •When writing or reviewing code to ensure variable names follow language-specific standards.
  • •During onboarding or training to help new developers learn correct naming conventions.
  • •In automated workflows to enforce naming rules before code commits or deployments.

How It Works

  • •Enter the variable name you want to validate in the input field.
  • •Select the target programming language from the dropdown menu, such as JavaScript or Python.
  • •Choose a naming style like camelCase or snake_case, or use auto-detect to identify the convention.
  • •Receive a JSON result indicating if the name is valid, the detected style, and any mismatches.

Use Cases

Developers ensuring code quality by adhering to team naming standards in projects.
Educators teaching programming conventions to students with practical validation examples.
CI/CD pipelines integrating the tool to automatically check variable names in code repositories.

Examples

1. Validating a JavaScript Variable

Background
A frontend developer is writing a function and needs to confirm the variable name follows camelCase convention for JavaScript.
Problem
The variable name 'userAge' must be checked to ensure it complies with JavaScript naming standards.
How to Use
Enter 'userAge' in the Variable Name field, select 'JavaScript/TypeScript' as the language, and choose 'camelCase' or 'Auto Detect' for naming style.
Outcome
The tool returns a JSON response indicating that 'userAge' is valid for camelCase in JavaScript, with no errors detected.

2. Checking Python Variable Naming

Background
A data scientist is writing a Python script and wants to verify that variable names use snake_case as per Python conventions.
Problem
The variable 'data_frame' needs validation to ensure it follows Python's snake_case naming style.
How to Use
Input 'data_frame', select 'Python' as the language, and set the naming style to 'snake_case' or use auto-detect.
Outcome
The validation confirms that 'data_frame' is correctly named according to Python standards, returning a valid result in JSON format.

Try with Samples

development
Invalid Variable Names Code Samples
Sample code files demonstrating invalid variable naming conventions across different programming languages
title token variable
sample
Git Branch Name Samples
Collection of Git branch names for validation testing, including valid patterns, invalid formats, and real-world examples
title token name
sample
Assembly Language Samples
Essential Assembly programming examples for low-level system programming and computer architecture
title token language
sample
R Language Samples
Essential R programming examples for statistical analysis and data science
title token language
sample

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FAQ

What programming languages are supported?

The tool supports JavaScript, Python, Java, C#, Go, Rust, PHP, and can check against all languages simultaneously.

Can I validate multiple variable names at once?

No, the tool validates one variable name at a time for precise and focused checking.

What naming styles are available?

You can choose from camelCase, PascalCase, snake_case, SCREAMING_SNAKE_CASE, kebab-case, or use auto-detect.

Is the validation case-sensitive?

Yes, the tool checks for exact case matching as per the selected naming convention and language standards.

What does the JSON result include?

The result indicates whether the name is valid, the detected or selected style, and details on any errors or suggestions for correction.

API Documentation

Request Endpoint

POST /en/api/tools/variable-name-validator

Request Parameters

Parameter Name Type Required Description
name text Yes -
language select Yes -
caseStyle select Yes -

Response Format

{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
JSON Data: JSON Data

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-variable-name-validator": {
      "name": "variable-name-validator",
      "description": "Validate variable names against multiple programming language naming conventions and standards",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=variable-name-validator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]