About PHP regular matching Chinese

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PHP regular matching Chinese

@author: CooperZhang

Regular matching character set [{4e00}-\x{9fa5}]

Note:

• U should be added at the end of the regular expression, in the form: /^...$/u

1. The match contains all Chinese

/^[{4e00}-\x{9fa5}]+$/u

2. The match contains Chinese

/[{4e00}-\x{9fa5}]+/u

3. Match Chinese and English (including symbols _)

/[\w{4e00}-\x{9fa5}]+/u

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