Hunts for the key and value in environment variables separated by newlines. All keys must be uppercase

extract csr from response returned by https://csrgenerator.com/

A single regex with the AND operator instead of OR

Email string validation, manage wildcard and subdomains

International / national format allowing space or dots as separator.

https://www.smzdm.com/p/23523045/p3/#comments 解析引用评论内容, 为保持表情顺序, 使用正则分步替换