问题描述
我使用Clickatell将SMS发送到客户的手机.
I use Clickatell to send SMSes to clients' mobile phones.
是否为所有有效的手机号码(例如)提供了标准化的正则表达式+27 123 4567?我会自己动手，但我担心会丢失晦涩，有效的电话号码格式.
Is there a standardised regular expression for all valid mobile phone numbers, e.g. +27 123 4567? I'd roll my own, but I'm worried about missing an obscure, valid phone number format.
推荐答案
从输入中去除除'+'和数字以外的所有字符后，应该这样做:
After stripping all characters except '+' and digits from your input, this should do it:
^\+[1-9]{1}[0-9]{3,14}$
如果您想更准确地使用国家/地区代码，请在电话号码国家/地区代码
If you want to be more exact with the country codes see this question on List of phone number country codes
但是，我会尽量不严格要求我进行验证.如果告知用户有效数字不可接受，他们会感到非常沮丧.
However, I would try to be not too strict with my validation. Users get very frustrated if they are told their valid numbers are not acceptable.
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