After entering 1234567890, the challenge is to format it as fax/[email protected]. Attempted several regular expressions but none were successful:
fax/{\d+}/@fax.com
fax\//{\d+}/@faxabc.com
[fax\//{\d+}/@faxabc.com]
The closest match was fax/{\d+}/@fax.com, resulting in [email protected]. However, a "/" is needed after the word fax.
You may be attempting to locate it within a string like this:
function reformatPhoneNumber(str) {
var regex = /(\D)(\d+)(\D)/;
return str.replace(regex, '$1' + 'phone/'+'$2'+'@phoneabc.com' + '$3');
}
// This is a phone/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5e6f6c6d6a6b686966671e383f263f3c3d703d3133">[email protected]</a> number.
reformatPhoneNumber('This is a 123456789 number.');
// Dial this number: phone/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="21101312151417161918614740594043420f424e4c">[email protected]</a>.
reformatPhoneNumber('Dial this number: 123456789.');
This technique is known as string manipulation or concatenation, not regular expressions:
let userInput = 123456789; //or any value entered by the user
let email = "fax/" + userInput + "@abc.com";
Do you see any issues with this method?
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