it's better to burn out than to fade away
正则表达式是用来处理字符串，是处理字符串的利器。
java面向对象三大特性：封装、继承、多态。
jsonContent: meta: false pages: false posts: title: true date: true path: true text: false raw: false content: false slug: false updated: false comments: false link: false permalink: false excerpt: false categories: true tags: true
