feat(analyzer): add German PII recognizers (DE_*) by MvdB · Pull Request #1909 · data-privacy-stack/presidio

MvdB · 2026-03-15T22:44:51Z

Summary

Adds 9 new pattern-based recognizers for German-language PII, covering the most relevant entity types under DSGVO/BDSG:

Entity	Description	Legal Basis	Validation
`DE_TAX_ID`	Steueridentifikationsnummer (11 digits)	§ 139b AO	ISO 7064 Mod 11,10 checksum
`DE_TAX_NUMBER`	Steuernummer / ELSTER (13 digits + slash formats)	§ 139a AO	Regex (state code range 01–16)
`DE_PASSPORT`	Reisepass (ICAO Doc 9303, 9 chars)	PassG § 4, PassV	Strict + relaxed ICAO charset
`DE_ID_CARD`	Personalausweis — nPA (9 ICAO chars) + old T+8 format	PAuswG, PAuswV	Regex
`DE_SOCIAL_SECURITY`	Rentenversicherungsnummer (12 chars)	§ 147 SGB VI	DRV checksum algorithm
`DE_HEALTH_INSURANCE`	Krankenversicherungsnummer / KVNR (10 chars)	§ 290 SGB V	GKV-Spitzenverband checksum
`DE_KFZ`	KFZ-Kennzeichen / vehicle registration plate	FZV § 8	Regex (district + letter-id + digits)
`DE_HANDELSREGISTER`	Handelsregisternummer (HRA/HRB prefix)	§§ 9, 14 HGB	Regex
`DE_PLZ`	Postleitzahl / postal code (5 digits)	—	Regex (range 01001–99998), score=0.05

Design decisions

All recognizers follow the existing PatternRecognizer pattern and are placed in predefined_recognizers/country_specific/germany/
All are disabled by default (enabled: false) following the project convention for country-specific recognizers
Three recognizers with checksum algorithms (DE_TAX_ID, DE_SOCIAL_SECURITY, DE_HEALTH_INSURANCE) implement validate_result() returning True/False to promote/suppress matches — not None, to ensure invalid numbers are filtered out rather than kept at base score
DE_PLZ has intentionally low base confidence (0.05) due to high false-positive risk; documented in docstring
DE_TAX_NUMBER includes both ELSTER 13-digit and regional slash-format patterns with graduated confidence scores
All recognizers use global_regex_flags: 26 (IGNORECASE | MULTILINE | DOTALL) consistent with the rest of Presidio

Test plan

9 test files covering all recognizers (presidio-analyzer/tests/test_de_*.py)
133 test cases — positive matches, negative matches, edge cases
Separate validate_result() tests for checksum-based recognizers
All tests pass locally: python -m pytest presidio-analyzer/tests/test_de_*.py
ruff check passes with no issues
default_recognizers.yaml entries follow the existing country-specific pattern
docs/supported_entities.md updated with Germany section
CHANGELOG.md entry added under [unreleased]

🤖 Generated with Claude Code

Adds 9 new predefined recognizers for German personally identifiable information, all disabled by default (enabled: false) and scoped to supported_language: de. Recognizers with checksum validation: - DE_TAX_ID: Steueridentifikationsnummer (§§ 139a-e AO) ISO 7064 Mod 11,10 checksum (Bundeszentralamt für Steuern) - DE_SOCIAL_SECURITY: Rentenversicherungsnummer / RVNR (§ 147 SGB VI) Deutsche Rentenversicherung Bund checksum algorithm - DE_HEALTH_INSURANCE: Krankenversicherungsnummer KVNR (§ 290 SGB V) GKV-Spitzenverband checksum; DSGVO Art. 9 (health data) Pattern-based recognizers: - DE_TAX_NUMBER: Steuernummer (§ 139a AO) – ELSTER 13-digit and state-specific slash-separated formats - DE_PASSPORT: Reisepassnummer (PassG § 4, ICAO Doc 9303) - DE_ID_CARD: Personalausweisnummer (PAuswG) – nPA and legacy format - DE_KFZ: KFZ-Kennzeichen (FZV § 8, ECJ C-582/14) - DE_HANDELSREGISTER: Handelsregisternummer HRA/HRB (§§ 9, 14 HGB) - DE_PLZ: Postleitzahl (DSGVO Art. 4 Nr. 1) – very low base confidence (0.05), context words required for actionable results Also updates: - predefined_recognizers/__init__.py: imports and __all__ - conf/default_recognizers.yaml: all 9 recognizers registered - docs/supported_entities.md: new Germany section - CHANGELOG.md: entry under [unreleased] 133 new tests pass (9 test files, one per recognizer). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Added .gitattributes to force LF for *.sh files. CRLF endings in entrypoint.sh caused 'no such file or directory' when running the presidio-analyzer Docker container on Linux. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Enabled all 9 DE_* recognizers in default_recognizers.yaml and added 'de' to supported_languages so they are loaded and visible to clients (e.g. LiteLLM) without requiring ad-hoc configuration. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

The registry and engine supported_languages must match. Missing 'de' in default_analyzer.yaml caused a startup crash. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

…aults Reverts the deployment-specific changes made for local testing: - German recognizers back to enabled=false (upstream contribution convention) - supported_languages back to [en] only in both config files Users who want German PII detection should enable the DE_* recognizers explicitly in their own deployment configuration. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

- D205: add blank line between summary and description (de_health_insurance_recognizer) - E501: shorten long lines in de_health_insurance_recognizer, de_kfz_recognizer, de_social_security_recognizer, de_tax_id_recognizer - D214/D406: fix Examples section formatting in de_kfz_recognizer (auto-fixed) All 133 tests still pass. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

MvdB · 2026-03-15T22:46:12Z

@microsoft-github-policy-service agree

MvdB · 2026-03-15T23:04:43Z

I know there's #1830 , but sadly it seems inactive.
German community is waiting for our own entities though.

…tterns Enable German (de) as a supported language alongside English: - default_analyzer.yaml: add 'de' to supported_languages - default_recognizers.yaml: add 'de' to supported_languages, enable all nine German PII recognizers (DeTaxIdRecognizer, DeTaxNumberRecognizer, DePassportRecognizer, DeIdCardRecognizer, DeSocialSecurityRecognizer, DeHealthInsuranceRecognizer, DeKfzRecognizer, DeHandelsregisterRecognizer, DePlzRecognizer) - spacy_en_de.yaml: add dedicated en+de NLP config (en_core_web_lg + de_core_news_md) for deployments that only need English and German Fix DeKfzRecognizer: - Replace \b word-boundary anchors with (?<![\w-]) / (?!\w) lookarounds to prevent false matches starting mid-plate after a hyphen separator (e.g. 'M-AB 123' was matching as 'AB 123' instead of 'M-AB 123') - Add two missing patterns for the common Bindestrich+Leerzeichen format '[District]-[Letters] [Digits]' (e.g. M-AB 123, HH-XY 999) Fix DeTaxNumberRecognizer: - Replace \b anchors with (?<!\w) / (?!\w) lookarounds on slash-format patterns to prevent boundary bleed into surrounding words - Raise Bayern/BW (3/3/5) pattern confidence from 0.3 to 0.4 NOTE: After this PR is merged a corresponding update to the LiteLLM Presidio guardrail configuration is needed to map the newly active German entity types (DE_KFZ, DE_TAX_ID, DE_TAX_NUMBER, DE_ID_CARD, DE_PASSPORT, DE_SOCIAL_SECURITY, DE_HEALTH_INSURANCE, DE_HANDELSREGISTER, DE_PLZ) to the desired masking actions. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

- Remove 'de' from supported_languages in default_analyzer.yaml and default_recognizers.yaml so defaults remain ["en"] as tests expect - Add enabled: false to all German recognizers in default_recognizers.yaml (opt-in instead of opt-out, consistent with other disabled recognizers) - Move Germany imports to correct alphabetical position in __init__.py (after Finland, before India) to fix ruff I001 import-ordering error Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Copilot

Pull request overview

Adds a new set of Germany-specific, pattern-based PII recognizers to Presidio Analyzer (entity types prefixed DE_*), along with configuration wiring, documentation updates, and unit tests.

Changes:

Introduces 9 new PatternRecognizer implementations under predefined_recognizers/country_specific/germany/ (some with checksum validation via validate_result()).
Exposes the new recognizers via presidio_analyzer.predefined_recognizers and registers them (disabled by default) in default_recognizers.yaml.
Adds dedicated pytest coverage for each recognizer and documents the new entity types in docs/supported_entities.md, plus a changelog entry.

Reviewed changes

Copilot reviewed 25 out of 26 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/init.py	Adds Germany-specific recognizers package.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_tax_id_recognizer.py	Adds DE tax id recognizer + checksum validation.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_tax_number_recognizer.py	Adds DE tax number recognizer patterns + context.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_passport_recognizer.py	Adds DE passport recognizer patterns + context.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_id_card_recognizer.py	Adds DE ID card recognizer patterns + context.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_social_security_recognizer.py	Adds DE social security recognizer + checksum validation.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_health_insurance_recognizer.py	Adds DE health insurance (KVNR) recognizer + checksum validation.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_kfz_recognizer.py	Adds DE vehicle registration plate recognizer patterns + context.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_handelsregister_recognizer.py	Adds DE commercial register (HRA/HRB) recognizer patterns + context.
presidio-analyzer/presidio_analyzer/predefined_recognizers/country_specific/germany/de_plz_recognizer.py	Adds DE postal code recognizer with low base score + context.
presidio-analyzer/presidio_analyzer/predefined_recognizers/init.py	Exports Germany recognizers and adds them to `__all__`.
presidio-analyzer/presidio_analyzer/conf/default_recognizers.yaml	Registers Germany recognizers (disabled by default).
presidio-analyzer/presidio_analyzer/conf/spacy_en_de.yaml	Adds a spaCy config supporting both EN and DE models.
presidio-analyzer/presidio_analyzer/conf/default_analyzer.yaml	Normalizes YAML formatting (no functional change apparent).
presidio-analyzer/tests/test_de_tax_id_recognizer.py	Tests DE tax id recognizer including checksum validation.
presidio-analyzer/tests/test_de_tax_number_recognizer.py	Tests DE tax number recognizer patterns.
presidio-analyzer/tests/test_de_passport_recognizer.py	Tests DE passport recognizer patterns.
presidio-analyzer/tests/test_de_id_card_recognizer.py	Tests DE ID card recognizer patterns.
presidio-analyzer/tests/test_de_social_security_recognizer.py	Tests DE social security recognizer including checksum validation.
presidio-analyzer/tests/test_de_health_insurance_recognizer.py	Tests DE health insurance recognizer including checksum validation.
presidio-analyzer/tests/test_de_kfz_recognizer.py	Tests DE vehicle registration plate recognizer patterns.
presidio-analyzer/tests/test_de_handelsregister_recognizer.py	Tests DE commercial register recognizer patterns.
presidio-analyzer/tests/test_de_plz_recognizer.py	Tests DE postal code recognizer behavior/position/score range.
docs/supported_entities.md	Documents the new `DE_*` entity types and detection methods.
CHANGELOG.md	Adds an unreleased entry describing the new German recognizers.
.gitattributes	Enforces LF line endings for `*.sh` scripts.

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…izers - de_id_card_recognizer: fix docstring example T220001292 (10 chars) -> T22000129 (9 chars) - de_plz_recognizer: tighten regex to exclude boundary values 01000 and 99999 via negative lookahead; update docstring accordingly - test_de_plz_recognizer: add negative test cases for 01000 and 99999 - de_social_security_recognizer: fix day regex [4-7]\d (40-79) -> 5[1-9]|[67]\d so supplemental range is correctly 51-81 per spec, not 41-81 - de_tax_number_recognizer: remove undocumented 10-digit plain format from docstring (no corresponding pattern exists) - de_passport_recognizer: remove unused _ICAO_CHARS constant; fix docstring example F204004812 (10 chars) -> F20400481 (9 chars) - de_health_insurance_recognizer: fix docstring example A123456780 (invalid checksum) -> A123456787 (valid checksum) - de_tax_id_recognizer: remove invalid example 02476291358 (leading zero); remove unimplemented digit-frequency constraint from docstring Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

MvdB

Implemented suggested changes.

SharonHart · 2026-03-18T13:08:00Z

@MvdB any of the recognizers here might be relevant as well?
#1830

…IN recognizers Adds four new German PII recognizers with tests: - DE_LANR (Lebenslange Arztnummer): 9-digit physician number with KBV check digit validation (weights [4,9,2,10,5,3], cross-sum, mod 10). Legal basis: § 75 Abs. 7 SGB V. - DE_BSNR (Betriebsstättennummer): 9-digit practice/site-of-care number, no public checksum, relies on context words for high-confidence matches. Legal basis: § 75 Abs. 7 SGB V. - DE_VAT_ID (Umsatzsteuer-Identifikationsnummer): fixed-prefix pattern "DE" + 9 digits per § 27a UStG / BZSt format. - DE_FUEHRERSCHEIN (Führerscheinnummer): post-2013 EU-harmonized format [A-Z]{2}\d{8}[A-Z0-9] (11 chars) per FeV Anlage 8 / EU Directive 2006/126/EC. No checksum (KBA algorithm not published). Pre-2013 card formats are explicitly out of scope. Also moves spacy_en_de.yaml from presidio_analyzer/conf/ to docs/recipes/german-language-support/ per reviewer feedback, and reverts the docker-compose.yml NLP_CONF_FILE build arg. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Rewrites the README to follow the template.md structure: Overview, Quick Start, Approach (with entity/checksum table), Results (TBD pending formal evaluation), Key Findings, and Tips sections. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

MvdB · 2026-03-19T00:44:58Z

@SharonHart The telematik_id in #1830 was not implemented because its format seems too flexible and lacks a strict, publicly verifiable validation scheme leading to high risk of false positives.

SharonHart

Amazing contribution, thanks!

…#1909) * feat(analyzer): add German PII recognizers (DE_*) Adds 9 new predefined recognizers for German personally identifiable information, all disabled by default (enabled: false) and scoped to supported_language: de. Recognizers with checksum validation: - DE_TAX_ID: Steueridentifikationsnummer (§§ 139a-e AO) ISO 7064 Mod 11,10 checksum (Bundeszentralamt für Steuern) - DE_SOCIAL_SECURITY: Rentenversicherungsnummer / RVNR (§ 147 SGB VI) Deutsche Rentenversicherung Bund checksum algorithm - DE_HEALTH_INSURANCE: Krankenversicherungsnummer KVNR (§ 290 SGB V) GKV-Spitzenverband checksum; DSGVO Art. 9 (health data) Pattern-based recognizers: - DE_TAX_NUMBER: Steuernummer (§ 139a AO) – ELSTER 13-digit and state-specific slash-separated formats - DE_PASSPORT: Reisepassnummer (PassG § 4, ICAO Doc 9303) - DE_ID_CARD: Personalausweisnummer (PAuswG) – nPA and legacy format - DE_KFZ: KFZ-Kennzeichen (FZV § 8, ECJ C-582/14) - DE_HANDELSREGISTER: Handelsregisternummer HRA/HRB (§§ 9, 14 HGB) - DE_PLZ: Postleitzahl (DSGVO Art. 4 Nr. 1) – very low base confidence (0.05), context words required for actionable results Also updates: - predefined_recognizers/__init__.py: imports and __all__ - conf/default_recognizers.yaml: all 9 recognizers registered - docs/supported_entities.md: new Germany section - CHANGELOG.md: entry under [unreleased] 133 new tests pass (9 test files, one per recognizer). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix: enforce LF line endings for shell scripts in containers Added .gitattributes to force LF for *.sh files. CRLF endings in entrypoint.sh caused 'no such file or directory' when running the presidio-analyzer Docker container on Linux. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * feat(config): enable German recognizers and add 'de' language support Enabled all 9 DE_* recognizers in default_recognizers.yaml and added 'de' to supported_languages so they are loaded and visible to clients (e.g. LiteLLM) without requiring ad-hoc configuration. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(config): add 'de' to analyzer engine supported_languages The registry and engine supported_languages must match. Missing 'de' in default_analyzer.yaml caused a startup crash. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * revert(config): restore default enabled=false and single-language defaults Reverts the deployment-specific changes made for local testing: - German recognizers back to enabled=false (upstream contribution convention) - supported_languages back to [en] only in both config files Users who want German PII detection should enable the DE_* recognizers explicitly in their own deployment configuration. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * style: fix ruff linting issues in German recognizers - D205: add blank line between summary and description (de_health_insurance_recognizer) - E501: shorten long lines in de_health_insurance_recognizer, de_kfz_recognizer, de_social_security_recognizer, de_tax_id_recognizer - D214/D406: fix Examples section formatting in de_kfz_recognizer (auto-fixed) All 133 tests still pass. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * feat(config): enable German language support and fix DE recognizer patterns Enable German (de) as a supported language alongside English: - default_analyzer.yaml: add 'de' to supported_languages - default_recognizers.yaml: add 'de' to supported_languages, enable all nine German PII recognizers (DeTaxIdRecognizer, DeTaxNumberRecognizer, DePassportRecognizer, DeIdCardRecognizer, DeSocialSecurityRecognizer, DeHealthInsuranceRecognizer, DeKfzRecognizer, DeHandelsregisterRecognizer, DePlzRecognizer) - spacy_en_de.yaml: add dedicated en+de NLP config (en_core_web_lg + de_core_news_md) for deployments that only need English and German Fix DeKfzRecognizer: - Replace \b word-boundary anchors with (?<![\w-]) / (?!\w) lookarounds to prevent false matches starting mid-plate after a hyphen separator (e.g. 'M-AB 123' was matching as 'AB 123' instead of 'M-AB 123') - Add two missing patterns for the common Bindestrich+Leerzeichen format '[District]-[Letters] [Digits]' (e.g. M-AB 123, HH-XY 999) Fix DeTaxNumberRecognizer: - Replace \b anchors with (?<!\w) / (?!\w) lookarounds on slash-format patterns to prevent boundary bleed into surrounding words - Raise Bayern/BW (3/3/5) pattern confidence from 0.3 to 0.4 NOTE: After this PR is merged a corresponding update to the LiteLLM Presidio guardrail configuration is needed to map the newly active German entity types (DE_KFZ, DE_TAX_ID, DE_TAX_NUMBER, DE_ID_CARD, DE_PASSPORT, DE_SOCIAL_SECURITY, DE_HEALTH_INSURANCE, DE_HANDELSREGISTER, DE_PLZ) to the desired masking actions. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(config): restore English-only defaults and fix import ordering - Remove 'de' from supported_languages in default_analyzer.yaml and default_recognizers.yaml so defaults remain ["en"] as tests expect - Add enabled: false to all German recognizers in default_recognizers.yaml (opt-in instead of opt-out, consistent with other disabled recognizers) - Move Germany imports to correct alphabetical position in __init__.py (after Finland, before India) to fix ruff I001 import-ordering error Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(de-recognizers): address Copilot review feedback on German recognizers - de_id_card_recognizer: fix docstring example T220001292 (10 chars) -> T22000129 (9 chars) - de_plz_recognizer: tighten regex to exclude boundary values 01000 and 99999 via negative lookahead; update docstring accordingly - test_de_plz_recognizer: add negative test cases for 01000 and 99999 - de_social_security_recognizer: fix day regex [4-7]\d (40-79) -> 5[1-9]|[67]\d so supplemental range is correctly 51-81 per spec, not 41-81 - de_tax_number_recognizer: remove undocumented 10-digit plain format from docstring (no corresponding pattern exists) - de_passport_recognizer: remove unused _ICAO_CHARS constant; fix docstring example F204004812 (10 chars) -> F20400481 (9 chars) - de_health_insurance_recognizer: fix docstring example A123456780 (invalid checksum) -> A123456787 (valid checksum) - de_tax_id_recognizer: remove invalid example 02476291358 (leading zero); remove unimplemented digit-frequency constraint from docstring Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * feat(de-recognizers): add DE_LANR, DE_BSNR, DE_VAT_ID, DE_FUEHRERSCHEIN recognizers Adds four new German PII recognizers with tests: - DE_LANR (Lebenslange Arztnummer): 9-digit physician number with KBV check digit validation (weights [4,9,2,10,5,3], cross-sum, mod 10). Legal basis: § 75 Abs. 7 SGB V. - DE_BSNR (Betriebsstättennummer): 9-digit practice/site-of-care number, no public checksum, relies on context words for high-confidence matches. Legal basis: § 75 Abs. 7 SGB V. - DE_VAT_ID (Umsatzsteuer-Identifikationsnummer): fixed-prefix pattern "DE" + 9 digits per § 27a UStG / BZSt format. - DE_FUEHRERSCHEIN (Führerscheinnummer): post-2013 EU-harmonized format [A-Z]{2}\d{8}[A-Z0-9] (11 chars) per FeV Anlage 8 / EU Directive 2006/126/EC. No checksum (KBA algorithm not published). Pre-2013 card formats are explicitly out of scope. Also moves spacy_en_de.yaml from presidio_analyzer/conf/ to docs/recipes/german-language-support/ per reviewer feedback, and reverts the docker-compose.yml NLP_CONF_FILE build arg. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * docs(recipes): align german-language-support README with recipe template Rewrites the README to follow the template.md structure: Overview, Quick Start, Approach (with entity/checksum table), Results (TBD pending formal evaluation), Key Findings, and Tips sections. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> --------- Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com> Co-authored-by: Sharon Hart <sharonh.dev@gmail.com>

MvdB and others added 6 commits March 15, 2026 21:15

fix(config): add 'de' to analyzer engine supported_languages

2acb3ac

The registry and engine supported_languages must match. Missing 'de' in default_analyzer.yaml caused a startup crash. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

github-actions Bot added the external label Mar 15, 2026

MvdB and others added 3 commits March 16, 2026 02:14

Merge branch 'main' into main

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SharonHart linked an issue Mar 18, 2026 that may be closed by this pull request

feat: add German country-specific predefined recognizers #1828

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Comment thread docs/recipes/german-language-support/spacy_en_de.yaml

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SharonHart merged commit 98f79b9 into data-privacy-stack:main Mar 19, 2026
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MvdB mentioned this pull request Mar 22, 2026

Add 13 German country-specific predefined PII PatternRecognizers and… #1830

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602Ann mentioned this pull request Apr 16, 2026

Bug: DE_HEALTH_INSURANCE (KVNR) checksum rejects valid values (factor sequence mismatch vs §290 SGB V Anlage 1) #1972

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MvdB mentioned this pull request Apr 19, 2026

Fix/kvnr checksum 1972 #1974

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MvdB mentioned this pull request Apr 19, 2026

refactor(de-recognizers): complete Prüfziffer validation per primary sources (fixes #1972, supersedes #1974) #1990

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santiagotri mentioned this pull request Jul 11, 2026

feat(analyzer): add Czech PII recognizers (CZ_*) #2155

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MvdB commented Mar 15, 2026

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