hard
Explain Regex Pattern
Explain a specific regular expression pattern in simple terms.
📝 プロンプトの内容
Explain the following regular expression step-by-step for a beginner programmer: ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$. Describe what each part of the pattern matches and validates.