# Introduction

The IDOL PII Package contains tools that allow you to find personal identifiable information (PII) in your data, to help you comply with regulations such as the General Data Protection Regulation (GDPR).

The IDOL PII Package uses IDOL Eduction Grammars (.ecr files).

IDOL Eduction is a tool for finding entities (small pieces of information such as names and phone numbers) in text. Eduction grammars contain descriptions of the entities. In some cases, this might be a list of fixed values (such as names), and in others it might be pattern matching tools that find data of a particular type (such as a set of digits that make up a phone number).

The Eduction grammars included in the IDOL PII Package describe different kinds of personally identifiable information, so that you can find these in your data.

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