Sample Page
{"tag":"a","attrs":{"href":"http://google.com/","target":"_blank"},"children":["http://google.com"]}A link to googlehttp://google.com
2.Hello, world!http://google.com
3.Hello, world!hello(!hello)[http://google.com]
4.Hello, world!hello(!hello)[http://google.com]
[link text](http://google.com)
Hello, world!hello(!hello)[http://google.com]Hello, world!hello(!hello)[http://google.com]