# Regular Expressions

**Canonical:** https://apis.io/providers/regular-expressions/  
**Website:** https://www.regular-expressions.info/  
**APIs profiled:** 0

A sequence of characters that define a search pattern, commonly used for string matching, validation, and text manipulation across programming languages and data processing pipelines. Regular expressions are supported natively in virtually every programming language and are foundational to text processing, log analysis, data validation, and search tooling.

## Kin Score — 13.8 / 100 (emerging)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 13.8).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 12.7 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 1.5 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | documented |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Regular Expressions Domain Security** — TLSv1.3 · HSTS

## Tags

Pattern Matching, Programming, String Manipulation, Text Processing, Validation, Search, Parsing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/regular-expressions/). Scores are computed from the provider's own public artifacts under a published rubric.