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From the API to get an XML, there are Chinese characters and so on, as well as "\ue40a" and "\ue40b" such as identifiers, how can I find these identifiers in the text in PHP?
Here's an example: the keyword "dregs cake" on both sides is the two identifiers, but PHP seems to be difficult to deal with this problem
Dregs cake-docin.com bean curd Mesh
------Solution--------------------
UTF-8 characters that are outside the scope of the font library.
------Solution--------------------
Unicode e000-f8ff snippet belongs to "User private"
This means that the Unicode organization does not define any characters in the code segment and is reserved for use by the user
So what you're saying is that these characters are API-customized and appear to be a boundary symbol, please refer to your API documentation
------Solution--------------------
Regular,/[\ue000-\uf8ff]/u, find each to replace the one you need.
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