令人费解的正则表达式匹配古怪

^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$

^\+\d{1,3}[-. (]?\d{3}[-. )]?\d{3}[-. ]?\d{4}$

^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$

^\d{15}([- ]+)?\d{15}$

^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$

^(((0[0-9]|1[0-2])\.){3}(0[0-9]|1[0-2]))$

^(1[0-9]|[01]?[0-9][0-9]?)\.([0-9]{2}|[0-9][0-9]?)\.([0-9]{2}|[0-9][0-9]?)\.([0-9]{2}|[0-9][0-9]?)$

^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$

^[\p{L}\p{N}]+@[\p{L}\p{N}]+$

<([\s\S]*?)</