=== URLs which are handled OK so far ===

u http://test.com u
m 111111111111111 m

u HTTP://UPCASE.UP u
m 1111111111111111 m

u http: u
m 00000 m

u mailto: u
m 0000000 m



Preceding none-whitespace characters:

u !http://test.com u
m 0111111111111111 m

u "http://test.com u
m 0111111111111111 m

u #http://test.com u
m 0111111111111111 m

u $http://test.com u
m 0111111111111111 m

u %http://test.com u
m 0111111111111111 m

u &http://test.com u
m 0111111111111111 m

u 'http://test.com u
m 0111111111111111 m

u (http://test.com u
m 0111111111111111 m

u )http://test.com u
m 0111111111111111 m

u *http://test.com u
m 0111111111111111 m

u +http://test.com u
m 0111111111111111 m

u ,http://test.com u
m 0111111111111111 m

u -http://test.com u
m 0111111111111111 m

u .http://test.com u
m 0111111111111111 m

u /http://test.com u
m 0111111111111111 m

u 1http://test.com u
m 0000000000000000 m

u 9http://test.com u
m 0000000000000000 m

u :http://test.com u
m 0111111111111111 m

u ;http://test.com u
m 0111111111111111 m

u <http://test.com u
m 0111111111111111 m

u >http://test.com u
m 0111111111111111 m

u ?http://test.com u
m 0111111111111111 m

u @http://test.com u
m 0111111111111111 m

u Ahttp://test.com u
m 0000000000000000 m

u Zhttp://test.com u
m 0000000000000000 m

u [http://test.com u
m 0111111111111111 m

u \http://test.com u
m 0111111111111111 m

u ]http://test.com u
m 0111111111111111 m

u ^http://test.com u
m 0111111111111111 m

u _http://test.com u
m 0000000000000000 m

u `http://test.com u
m 0111111111111111 m

u ahttp://test.com u
m 0000000000000000 m

u zhttp://test.com u
m 0000000000000000 m

u {http://test.com u
m 0111111111111111 m

u |http://test.com u
m 0111111111111111 m

u }http://test.com u
m 0111111111111111 m

u ~http://test.com u
m 0111111111111111 m



Query parsing:

u https://duckduckgo.com/?q=windows+delete+"GameBarPresenceWriter.exe" u
m 11111111111111111111111111111111111111111111111111111111111111111111 m

u "https://duckduckgo.com/?q=windows+delete+"GameBarPresenceWriter.exe"" u
m 0111111111111111111111111111111111111111111111111111111111111111111110 m

u "https://duckduckgo.com/?q=windows+delete+"GameBarPresenceWriter.exe" u
m 011111111111111111111111111111111111111111111111111111111111111111111 m

u "https://duckduckgo/com/?q=windows+delete+GameBarPresenceWriter.exe" u
m 01111111111111111111111111111111111111111111111111111111111111111110 m

u "https://duckduckgo.com/?q=windows+delete+""GameBarPresenceWriter.exe" u
m 0111111111111111111111111111111111111111111100000000000000000000000000 m

u https://www.youtube.com/watch?v=VmcftreqQ6E&list=PnQIRE5O5JpiLL&index=xxx u
m 1111111111111111111111111111111111111111111111111111111111111111111111111 m



Space detection:

u "http://github.com/notepad-plus-plus/notepad-plus-plus" u
m 0111111111111111111111111111111111111111111111111111110 m

u "https://github.com /notepad-plus-plus/notepad-plus-plus" u
m 011111111111111111100000000000000000000000000000000000000 m

u "https://github.com/notepad plus plus/notepad-plus-plus" u
m 01111111111111111111111111100000000000000000000000000000 m



Unwanted trailing character removal:

u (https://github.com/notepad-plus-plus/notepad-plus-plus) u
m 01111111111111111111111111111111111111111111111111111110 m

u [https://github.com/notepad-plus-plus/notepad-plus-plus] u
m 01111111111111111111111111111111111111111111111111111110 m

u https://github.com/notepad-plus-plus/notepad-plus-plus; u
m 1111111111111111111111111111111111111111111111111111110 m

u https://github.com/notepad-plus-plus/notepad-plus-plus? u
m 1111111111111111111111111111111111111111111111111111110 m

u https://github.com/notepad-plus-plus/notepad-plus-plus! u
m 1111111111111111111111111111111111111111111111111111110 m

u https://github.com/notepad-plus-plus/notepad-plus-plus# u
m 1111111111111111111111111111111111111111111111111111110 m

u http://github.com/notepad-plus-plus/notepad-plus-plus#fragment u
m 11111111111111111111111111111111111111111111111111111111111111 m

u (e.g., https://en.wikipedia.org/wiki/Saw_(2003_film))? u
m 000000011111111111111111111111111111111111111111111100 m

u (https://en.wikipedia.org/wiki/Saw_(2003_film)) u
m 01111111111111111111111111111111111111111111110 m

u (https://en.wikipedia.org/wiki/Saw_2003_film) u
m 011111111111111111111111111111111111111111110 m

u [https://en.wikipedia.org/wiki/Saw_[2003_film]] u
m 01111111111111111111111111111111111111111111110 m



International characters:

u https://apache-windows.ru/как-установить-сервер-apache-c-php-mysql-и-phpmyadmin-на-windows/ u
m 1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 m

u https://www.rnids.rs/национални-домени/регистрација-националних-домена u
m 1111111111111111111111111111111111111111111111111111111111111111111111 m

u https://www.morfix.co.il/שלום u
m 11111111111111111111111111111 m

u https://www.amazon.fr/GRÜNTEK-Ebrancheur-Cisailles-crémaillère-SATISFAIT/dp/B01COZUA4E/ u
m 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 m

u https://www.amazon.fr/Gardena-coupe-branches-TeleCut-520-670-télescopiques/dp/B07JLJ4N44/ u
m 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 m



Instagram links:

u https://ig.com/?query=c761&vars={"id":"0815","first":100} u
m 111111111111111111111111111111111111111111111111111111111 m

u {https://ig.com/?query=c761&vars={"id":"0815","first":100}} u
m 01111111111111111111111111111111111111111111111111111111110 m

u [https://ig.com/?query=c761&vars={"id":"0815","first":100}] u
m 01111111111111111111111111111111111111111111111111111111110 m

u "https://ig.com/?query=c761&vars={"id":"0815","first":100}" u
m 01111111111111111111111111111111111111111111111111111111110 m



Links in LaTeX:

u \href{https://weblink.com/}{click me} u
m 0000001111111111111111111100000000000 m

u \href{https://ig.com/?query=c761&vars={"id":"0815","first":100}}{click me} u
m 00000011111111111111111111111111111111111111111111111111111111100000000000 m

========

Quotation mark
- forbidden in name and path (delimiter)
- parsed in query part as quoting character, 
  overriding all other quoting characters

u http://xxx.xxx/xxx"xxx" u
m 11111111111111111100000 m

u http://xxx.xxx/?q="A"+"B"" u
m 11111111111111111111111110 m

u http://xxx.xxx/?q="A'+'B{}`'"" u
m 111111111111111111111111111110 m

========

Apostrophe
- allowed unrestricted in name and path
- parsed in query part as quoting character, 
  overriding all other quoting characters

u https://en.wikipedia.org/wiki/Murphy's_law u
m 111111111111111111111111111111111111111111 m

u http://xxx.xxx/xxx'xxx' u
m 11111111111111111111111 m

u http://xxx.xxx/xxx'xxx'' u
m 111111111111111111111111 m

u http://xxx.xxx/?q='A'+'B'' u
m 11111111111111111111111110 m

u http://xxx.xxx/?q='A'+'B'' u
m 11111111111111111111111110 m

u http://xxx.xxx/?q='A'+'B"{}`'' u
m 111111111111111111111111111110 m

========

Grave accent
- allowed unrestricted in name and path
- parsed in query part as quoting character, 
  overriding all other quoting characters

u http://xxx.xxx/Tom`s_sisters u
m 1111111111111111111111111111 m

u http://xxx.xxx/Tom`s%20sisters` u
m 1111111111111111111111111111111 m

u http://xxx.xxx/Tom`s%20sisters`` u
m 11111111111111111111111111111111 m

u http://xxx.xxx/?q=`A`+`B` u
m 1111111111111111111111111 m

u http://xxx.xxx/?q=`A`+`B`` u
m 11111111111111111111111110 m

u http://xxx.xxx/?q=`A"{}()'`` u
m 1111111111111111111111111110 m

========

Parentheses
- allowed in name and path
- closing parenthesis at end of path is removed,
  if there are no other parentheses in path,
  except pairing parentheses
- parsed in query part as quoting character, 
  overriding all other quoting characters

- no other parentheses in path, remove last closing parenthesis
u http://xxx.xxx/xxx) u
m 1111111111111111110 m

- pairing parentheses in path: remove last closing unpaired parenthesis
u http://xxx.xxx/xxx(xxx)) u
m 111111111111111111111110 m

- pairing parentheses in path: remove last closing unpaired parenthesis
u http://xxx.xxx/xxx((xxx))) u 
m 11111111111111111111111110 m

- pairing parenthesis in path: keep last closing paired parenthesis
u http://xxx.xxx/xxx(xxx) u
m 11111111111111111111111 m

- pairing parentheses in path: remove last closing unpaired parenthesis
u http://xxx.xxx/xxx()xxx) u
m 111111111111111111111110 m

- arbitrary parentheses in path: keep last closing parenthesis
u http://xxx.xxx/xxx)) u
m 11111111111111111111 m

- arbitrary parentheses in path: keep last closing parenthesis
u http://xxx.xxx/xxx)(xxx) u
m 111111111111111111111111 m

- arbitrary parentheses in path: keep last closing parenthesis
u http://xxx.xxx/xxx)(xxx)) u
m 1111111111111111111111111 m

- arbitrary parentheses in path: keep last closing parenthesis
u http://xxx.xxx/xxx((xxx) u
m 111111111111111111111111 m

- arbitrary parentheses in path: keep last closing parenthesis
u http://xxx.xxx/xxx)((xxx) u
m 1111111111111111111111111 m

- parentheses in query part: end after last closing quote of query part
u http://xxx.xxx/xxx?q=(xxx)) u
m 111111111111111111111111110 m

- parentheses in query part: end after last closing quote of query part
u http://xxx.xxx/xxx?q=(xxx)( u
m 111111111111111111111111110 m

- parentheses in query part: end after last closing quote of query part
u http://xxx.xxx/xxx?q=(xxx)( u
m 111111111111111111111111110 m

- parentheses in query part: end after last closing quote of query part
u http://xxx.xxx/xxx?q=(xxx)&(xxx)( u
m 111111111111111111111111111111110 m

========

 Square brackets
- allowed in name and path
- closing square bracket at end of path is removed,
  if there are no other square brackets in path,
  except pairing square brackets
- parsed in query part as quoting characters, 
  overriding all other quoting characters

- no other square brackets in path, remove last closing square bracket
u http://xxx.xxx/xxx] u
m 1111111111111111110 m

- pairing square brackets in path: remove last closing unpaired square bracket
u http://xxx.xxx/xxx[xxx]] u
m 111111111111111111111110 m

- pairing square brackets in path: remove last closing unpaired square bracket
u http://xxx.xxx/xxx[[xxx]]] u 
m 11111111111111111111111110 m

- pairing square brackets in path: keep last closing paired square bracket
u http://xxx.xxx/xxx[xxx] u
m 11111111111111111111111 m

- pairing square brackets in path: remove last closing unpaired square bracket
u http://xxx.xxx/xxx[]xxx] u
m 111111111111111111111110 m

- arbitrary square brackets in path: keep last closing square bracket
u http://xxx.xxx/xxx]] u
m 11111111111111111111 m

- arbitrary square brackets in path: keep last closing square bracket
u http://xxx.xxx/xxx][xxx] u
m 111111111111111111111111 m

- arbitrary square brackets in path: keep last closing square bracket
u http://xxx.xxx/xxx][xxx]] u
m 1111111111111111111111111 m

- arbitrary square brackets in path: keep last closing square bracket
u http://xxx.xxx/xxx[[xxx] u
m 111111111111111111111111 m

- arbitrary square brackets in path: keep last closing square bracket
u http://xxx.xxx/xxx][[xxx] u
m 1111111111111111111111111 m

- square brackets in query part: end after last closing quote of query part
u http://xxx.xxx/xxx?q=[xxx]] u
m 111111111111111111111111110 m

- square brackets in query part: end after last closing quote of query part
u http://xxx.xxx/xxx?q=[xxx][ u
m 111111111111111111111111110 m

- square brackets in query part: end after last closing quote of query part
u )http://xxx.xxx/xxx?q=[xxx][ u
m 0111111111111111111111111110 m

- square brackets in query part: end after last closing quote of query part
u http://xxx.xxx/xxx?q=[xxx]&[xxx][ u
m 111111111111111111111111111111110 m

========

Curly brackets
- forbidden in name and path, because of LaTeX
- parsed in query part as quoting characters, 
  overriding all other quoting characters

u http://xxx.xxx/xxx{xxx}} u
m 111111111111111111000000 m

u http://xxx.xxx/xxx{xxx} u
m 11111111111111111100000 m

u http://xxx.xxx/xxx?q={xxx}} u
m 111111111111111111111111110 m

u http://xxx.xxx/xxx?q={xxx};{"[]()''`}} u
m 11111111111111111111111111111111111110 m

========

Mail:

u mailto:don.h@free.fr u
m 11111111111111111111 m

u <don.h@free.fr> u
m 000000000000000 m

u <mailto:don.h@free.fr> u
m 0111111111111111111110 m

u http:don.h@free.fr u
m 000000000000000000 m



FTP:

u <ftp://ds.internic.net/rfc/rfc977.txt> u
m 01111111111111111111111111111111111110 m

u ftp://host:444/0a_gopher_selector%09%09some_gplus_stuff u
m 1111111111111111111111111111111111111111111111111111111 m

u ftp://host:abc/0a_gopher_selector%09%09some_gplus_stuff u
m 0000000000000000000000000000000000000000000000000000000 m



FILE:

u file://Hello%20world.txt u
m 111111111111111111111111 m

u "file://Hello%20world.txt" u
m 01111111111111111111111110 m

u "file://Hello world.txt" u
m 011111111111100000000000 m

u file://127.0.0.1/c$/Tools\Npp%20Test%20Data/Test3/3812.pdf u
m 1111111111111111111111111111111111111111111111111111111111 m