Function validate

validate(
code: "DE_STEUER_ID" | "DE_STEUERNUMMER" | "DE_USTID" | ShortCode,
input: string,
): boolean
Validate a German (DE) identity or tax document.
Parameters
- code: "DE_STEUER_ID" | "DE_STEUERNUMMER" | "DE_USTID" | ShortCode
  Document type, either fully-qualified (DE_STEUER_ID, DE_STEUERNUMMER, DE_USTID) or short (STEUER_ID, IDNR, STEUERNUMMER, USTID, UST_ID, VAT).
- input: string
  Raw document string (formatting tolerated).
Returns boolean
true if the value passes DE-specific validation rules.
Example
```
import { validate } from "nationid/de";
validate("DE_STEUER_ID", "65 929 970 489"); // true
validate("USTID", "DE123456788");
```
- Defined in countries/de/index.ts:38