PHP regular expression matching telephone number solution

How to implement PHP regular expression matching telephone number a regular expression: 1. match mobile phone number, or whether it is with + 862. landline, 7 ~ 8-digit. it is also possible that the area code-telephone number-extension number contains 86 characters or that the area code does not contain a telephone number. JScriptcode & lt; scripttype = & quot; text/javascript & quot; & gt; search for PHP regular expression matching phone numbers
How to implement a regular expression:
1. match the mobile phone number or whether it is with + 86
2. landline, 7 ~ It is also possible that the area code-telephone number-extension code contains 86 characters or not

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