This article mainly introduces how to use regular expressions in php to determine whether it is a mobile phone number. Interested friends can refer to it. I hope it will be helpful to everyone.
The code is as follows:
$phonenumber = '13712345678'; if(preg_match("/^1[34578]{1}\d{9}$/",$phonenumber)){ echo "是手机号码"; }else{ echo "不是手机号码"; }
"^" matches the beginning of the text, and "$" matches the end of the text.
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