Idea uses regular expressions for global substitution

scene ： The constant pool type of the initial code is set to int type , Later revised to Integer type , As a result, Alibaba code specification shows that == It is amended as follows .equals In the form of . But because of too much code . So we use the form of regular expression to globally replace .

Replaced code

mti == Mti.MSG0100

Need to replace with

Mti.MSG0100.equals(mti);

1. Use IDEA Shortcut key ctrl+shift+H, Open the following page

2. choice Regex

3. Start writing regular expressions . My expression here is relatively simple .

(mti) == (Mti.MSG\d{
    4})

This will simply match the replacement object I want .
4. According to the objects you match ,（ Counting a bracket from front to back matches an object , That is to say $1）
To match the result you want to replace with .

$1.equals($2)

5. Click on Replace that will do