python的“re.compile”有什么作用？

What does python's "re.compile" do?

提问by mango

When you run re.match for the original string and the string that was passed through re.compile, how is the latter different? What happened to the string that was passed through re.compile?

当你对原始字符串和通过 re.compile 传递的字符串运行 re.match 时，后者有什么不同？通过 re.compile 传递的字符串发生了什么变化？

采纳答案by JonathanV

It compiles a regex into a regex object. Take a look at the docsfor more info.

它将正则表达式编译为正则表达式对象。查看文档以获取更多信息。