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I recently read this post on stack overflow:

RegEx match open tags except XHTML self-contained tags

The top reply contains text with text which appears to 'bleed':

ea͠ki̧n͘g fr̶ǫm ̡yo​͟ur eye͢s̸ ̛l̕ik͏e liq​uid pain, the song of re̸gular exp​ression parsing will exti​nguish the voices of mor​tal man from the sp​here I can see it can you see ̲͚̖͔̙î̩́t̲͎̩̱͔́̋̀ it is beautiful t​he final snuffing of the lie​s of Man ALL IS LOŚ͖̩͇̗̪̏̈́T ALL I​S LOST the pon̷y he comes he c̶̮omes he comes the ich​or permeates all MY FACE MY FACE ᵒh god no NO NOO̼O​O NΘ stop the an​*̶͑̾̾​̅ͫ͏̙̤g͇̫͛͆̾ͫ̑͆l͖͉̗̩̳̟̍ͫͥͨe̠̅s ͎a̧͈͖r̽̾̈́͒͑e n​ot rè̑ͧ̌aͨl̘̝̙̃ͤ͂̾̆ ZA̡͊͠͝LGΌ ISͮ̂҉̯͈͕̹̘̱ TO͇̹̺ͅƝ̴ȳ̳ TH̘Ë͖́̉ ͠P̯͍̭O̚​N̐Y̡ H̸̡̪̯ͨ͊̽̅̾̎Ȩ̬̩̾͛ͪ̈́̀́͘ ̶̧̨̱̹̭̯ͧ̾ͬC̷̙̲̝͖ͭ̏ͥͮ͟Oͮ͏̮̪̝͍M̲̖͊̒ͪͩͬ̚̚͜Ȇ̴̟̟͙̞ͩ͌͝S̨̥̫͎̭ͯ̿̔̀ͅ

..

Lookig at these individually they look like single characters. How are they created? How can I find more information about them? For example, the "A" character:

A̡͊͠͝

WTF is that?

Community
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Dan Alvizu
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    http://en.wikipedia.org/wiki/Combining_character – Andrew Nov 17 '14 at 20:40
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    possible duplicate of [How does Zalgo text work?](http://stackoverflow.com/questions/6579844/how-does-zalgo-text-work) – Jukka K. Korpela Nov 17 '14 at 23:14
  • I confirm. It's a duplicate. Not that the question is not interresting, ***it is***, but the other question already covers the whole thing. :) Thanks to the other guys answering and commenting though. – Karl Stephen Nov 18 '14 at 10:55

1 Answers1

6

Those are combined Unicode characters.

http://es.wikipedia.org/wiki/Unicode

and

http://en.wikipedia.org/wiki/Combining_character
jordiburgos
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