用于将字符串拆分为数组的正则表达式

I got a string like this:

我有一个像这样的字符串:

== Paragraph == 
=== title 1 ===
content

=== Title 2 ===
other content 

== Paragraph 2 ==
=== asd1 ===
dfdsfdsfdsfdsfdsfsdfdsf

=== asd2 ===
fgdfgfdgfdgfdgfdgfdgfdg
== P