Java电话号码格式API [英] Java phone number format API
问题描述
我有一个包含数百万个电话号码的数据库，可以进行免费格式化。即，UI不强制执行任何约束，并且用户正在输入他们想要的任何内容。
I have a database with millions of phone numbers with free-for-all formatting. Ie, the UI does not enforce any constraints and the users are typing in whatever they want.
我正在寻找的是一个可以做到最好的Java API努力将这些转换为一致的格式。理想情况下，API将采用自由文本值和国家/地区代码并生成有效的国际电话号码或抛出异常。
What I'm looking for is a Java API that can make a best-effort to convert these into a consistent format. Ideally, the API would take the free text value and a country code and produce a valid international phone number or throw an exception.
例如，系统中的电话号码可能看起来像以下任何一种：
For example, a phone number in the system might look like any of the following:
(555) 478-1123
555-478-1123
555.478.1123
5554781123
鉴于美国的国家/地区，API会产生价值所有这些都是+1（555）478-1123。确切的格式无关紧要，只要它是一致的。
Given the country of US, the API would produce the value "+1 (555) 478-1123" for all these. The exact format does not matter, as long as it's consistent.
系统中也有数字没有区号，例如478-1123。在这种情况下，我会期望NoAreaCodeException或类似的东西。
There are also numbers in the system without area codes, such as "478-1123". In that case, I would expect a NoAreaCodeException, or something similar.
还可能有abc这样的数据，这也应该抛出异常。
There could also be data such as "abc", which should also throw exceptions.
当然，我发布的例子有无数种变化，以及国际电话号码的巨大复杂性，它们具有相当复杂的验证规则。这就是为什么我不考虑自己动手。
Of course, there are countless variations of the examples I have posted, as well as the enormous complication of international phone numbers, which have quite complicated validation rules. This is why I would not consider rolling my own.
有没有人见过这样的API？
Has anyone seen such an API?
推荐答案
您可以自己编写（美国电话＃格式）：
You could write your own (for US phone # format):
- 从中删除任何非数字字符字符串
- 检查剩余的字符串是否为十个字符
- 将括号括在前三个字符周围，在第六个和第七个字符之间加一个短划线。
- 在字符串前加上+1
- Strip any non-numeric characters from the string
- Check that the remaining string is ten characters long
- Put parentheses around the first three characters and a dash between the sixth and seventh character.
- Prepend "+1 " to the string
Google最近发布 libphonenumber 用于解析，格式化，存储和验证国际电话号码。
Google recently released libphonenumber for parsing, formatting, storing and validating international phone numbers.
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