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mongez-supportive-is-formats

Define and document five string-format predicates for input validation and filtering.

12|3|Updated Nov 29, 2017
Search Tags:#validation#email#json#regex#url#string-predicates
One-click install
npx skills add https://github.com/hassanzohdy/supportive-is --skill mongez-supportive-is-formats
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mongez-supportive-is-formats
Source: https://github.com/hassanzohdy/supportive-is/tree/main/skills/formats
Command: npx skills add https://github.com/hassanzohdy/supportive-is --skill mongez-supportive-is-formats

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides concise definitions and practical rules for five string-format predicates, enabling quick checks without heavy dependencies.

Core Features & Use Cases

  • Documents the five predicates: isRegex, isValidId, isJson, isUrl, and isEmail, including their rules, limitations, and known bugs.
  • Demonstrates typical usage patterns and real-world scenarios such as validating user input formats in forms, filters, and lightweight data validation.

Quick Start

Import the predicates from @mongez/supportive-is and apply them to your data.

Frequently Asked Questions about mongez-supportive-is-formats

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate email and URL string formats in JavaScript without heavy dependencies?▼

You can validate email and URL string formats using lightweight predicates like isEmail and isUrl to quickly classify values in forms and filters without heavy dependencies.

What string format predicates are available for lightweight data filtering in frontend and backend code?▼

Available string format predicates for lightweight data filtering include isRegex, isValidId, isJson, isUrl, and isEmail, which define rules for classifying input values in frontend and backend code.

Why do string format predicates fail as full validators for user input?▼

String format predicates fail as full validators because they only classify whether a value matches a specific format, not whether the value is semantically valid or safe for your application.

Can I use these string format predicates for form processing and input validation?▼

Yes, you can use these string format predicates for form processing and input validation by applying them to user input data to quickly check formats before deeper processing.

How do I check if a string is valid JSON or a valid regex pattern?▼

To check if a string is valid JSON or a valid regex pattern, apply the isJson and isRegex predicates respectively to classify the string format according to their documented rules.

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