$ tr = ' a 123 aa '； Go to 0
$ tr =' 22aaa Turn to page 22
That is to say, when it is matched into a string, it is not for shaping, and it will continue to match until it meets a character, and all the 1 after it becomes 0 and is added with the 1 before it.
The lyrics of this salted fish song sung by Huang Jinglun are very positive. The following is the information I compiled for you about Huang Jinglun salted f