A practical pattern that broadly catches email addresses. It allows dots, plus signs, and hyphens in the local part and matches the domain and top-level domain after the @. It isn't a full RFC validation but is meant to extract the forms commonly seen in practice.
Example Matches
support@example.com
hello.world+tag@sub.domain.co.kr
Test String
For inquiries use support@example.com, for ads use ads+promo@my-site.io.