---
name: is_hex
kind: function
lang: py
domain: cybersecurity
version: "1.0.0"
purity: pure
signature: "def is_hex(s: str) -> bool"
description: "Verifica si un string es hexadecimal valido. Acepta con o sin prefijo 0x. Requiere minimo 2 caracteres."
tags: [hex, validation, encoding, python]
uses_functions: []
uses_types: []
returns: []
returns_optional: false
error_type: ""
imports: [re]
tested: false
tests: []
test_file_path: ""
file_path: "python/functions/cybersecurity/cybersecurity.py"
---

## Ejemplo

```python
is_hex("4a6f686e")
# True

is_hex("0x4a6f686e")
# True

is_hex("xyz")
# False

is_hex("a")
# False (menos de 2 caracteres)
```

## Notas

Util para validar hashes, direcciones de memoria, shellcode y otros datos hexadecimales en contexto de seguridad.