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Scrambles email addresses and phone numbers with ROT-18 to hide them from bots
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thibaudcolas/email-scramble
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Encode/decode email addresses and phone numbers with ROT-18 to hide them from bots. Can be used server-side with Node.js or in a browser.
If you'd like to know more about obfuscation techniques and their success ratio,here is a great blog post on the subject.
email-scramble uses a simpleROT transformation. The default rotation is ROT-18: letters will be rotated by 13 and numbers by 5.
varencodedEmail=emailScramble.encode("mail@example.com");vardecodedMail=emailScramble.decode(encodedMail);// You can also pick any other flavor of ROT:functionmyROT(str){// Here letters are obfuscated with ROT-13 and numbers are kept clear.returnemailScramble.rot(13,0,str);}// Functional-programming partial application style:varmyRot=emailScramble.rot.bind(emailScramble,13,0);
Here is a real-world example:
// <a href="znvygb:znvy@rknzcyr.pbz" data-email-scramble>Send me an email!</a>varlinks=document.querySelectorAll("[data-email-scramble]");links.forEach(functiondecodeLink(link){link.href=emailScramble.decode(link.href);});
npm install --save email-scramble
// ES6+importemailScramblefrom"email-scramble";// The CommonJS way.varemailScramble=require("email-scramble");
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Scrambles email addresses and phone numbers with ROT-18 to hide them from bots
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