Implementing a rigorous phone number formatting and parsing library was crucial for the phone OS overall usability (back then, in the early 2000s, it was originally meant to be a phone after all, not just a social media device). It can still be compiled into one big bundle which weighs 530 kilobytes (330 k B code 200 k B metadata) — quite a size for a phone number input component.
The overall syntax has mostly been ported but it's still quite far from finished and the code has not been tested, and I'm not searching for phone numbers in my projects, but if anyone needs that feature they could continue where I left off: see .
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Often times we can give our users an example and they will still enter the wrong format.
I have created a script that will strip out all characters in a string except numerical digits.
I guess Google just doesn't need to crawl phone numbers on because they can afford to hire a Java/C developer to do that.