问题
Hi need to change the function ereg_replace("[\]", "", $theData) to preg_replace
回答1:
To port ereg_replace to preg_replace you need to put the regex between a pair of delimiter
Also your regx is [\] is invalid to be used for preg_replace as the \ is escaping the closing char class ]
The correct port is
preg_replace('/[\\\]/','',$theData)
Also since the char class has just one char there is no real need of char class you can just say:
preg_replace('/\\\/','',$theData)
Since you are replace just a single char, using regex for this is not recommended. You should be using a simple text replacement using str_replace as:
str_replace('\\','',$data);
回答2:
str_replace("\\","",$theData);
But I seriously doubt you need that replace at all. most likely you need some other operation.
What is this replace for?
回答3:
preg_replace("/\\\/", "", $theData);
回答4:
I used this sed to automatically replace ereg_replace by preg_replace and put the required slashes in. Assumes no \" in the first regex
sed -i 's#ereg_replace("\([^"]*\)"#preg_replace("/\1/"#g' *.php
来源：https://stackoverflow.com/questions/3649574/replace-ereg-replace-with-preg-replace