Javascript-PHP regular expression replacement

The regular expression in js is like this: {code ...} php is not written as follows: {code ...} my goal is to replace null in the string. how can I replace it? I tried it according to the answer below .. The reason is found because of json_encode (). how can this problem be solved...

The regular expression in js is as follows:

var str = "data\/ui_inner\/74\/";str.replace(/\\/,"");

Php is not written as follows:

$auto_url = preg_replace('/\\/','', $str);

My goal is to replace \ in the string with null. how can I replace it?

I tried it according to the answer below ..

The reason is found because of json_encode (). how can this problem be solved? Google me

Reply content:

The regular expression in js is as follows:

var str = "data\/ui_inner\/74\/";str.replace(/\\/,"");

Php is not written as follows:

$auto_url = preg_replace('/\\/','', $str);

My goal is to replace \ in the string with null. how can I replace it?

I tried it according to the answer below ..

The reason is found because of json_encode (). how can this problem be solved? Google me

We do not recommend that youjson_encodeBecausejson_encodePair/Escape output. for js, its content is still/Instead\/.

(PS: There are comments in the code below during the test.var_dump, Retain onlyecho)
Replaced:

Not replaced:

1.htmlThe code is as follows: