Expected Behavior

brian.langel+test@test.com should be a valid email. However, since the . is prior to the + the regex rejects this.

Actual Behavior

brian.langel+test@test.com is rejected because the . is prior to the +

Steps to Reproduce the Problem

1. Validate a value with a . prior to a +
2. The value is rejected but shouldn't be

Example Code or Link to a Project

validate("brian.langel+test@test.com")
            .isEmail()

Environment

• Valiktor version: valiktor-core 0.12.0
• JDK/JRE version: 1.8
• Platform/OS: Mac OS

Links

Consider using a regular expression more conformant to RFC 5322 as documented here with a proposed RegEx here