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Beautiful, Community, and God: 21 Answers votes oldest newest You can't parse [X]HTML with regex. Because HTML can't be parsed by regex. Regex is not a tool that can be used to correctly parse HTML. As I have answered in HTML-and-regex questions here so many times before, the use of regex will not allow you to consume HTML. Regular expressions are a tool that is insufficiently sophisticated to understand the constructs employed by HTML. HTML is not a regular language and hence cannot be parsed by regular expressions. Regex queries are not equipped to break down HTML into its meaningful parts. so many times but it is not getting to me. Even enhanced irregular regular expressions as used by Perl are not up to the task of parsing HTML. You will never make me crack. HTML is a language of sufficient complexity that it cannot be parsed by regular expressions. Even Jon Skeet cannot parse HTML using regular expressions. Every time you attempt to parse HTML with regular expressions, the unholy child weeps the blood of virgins, and Russian hackers pwn your webapp. Parsing HTML with regex summons tainted souls into the realm of the living. HTML and regex go together like love, marriage, and ritual infanticide. The <center> cannot hold it is too late. The force of regex and HTML together in the same conceptual space will destroy your mind like so much watery putty. If you parse HTML with regex you are giving in to Them and their blasphemous ways which doom us all to inhuman toil for the One whose Name cannot be expressed in the Basic Multilingual Plane, he comes. HTML-plus-regexp will liquify the nerves of the sentient whilst you observe, your psyche withering in the onslaught of horror. Regex-based HTML parsers are the cancer that is killing StackOverflow it is too late it is too late we cannot be saved the trangession of a child ensures regex will consume all living tissue (except for HTML which it cannot, as previously prophesied) dear lord help us how can anyone survive this scourge using regex to parse HTML has doomed humanity to an eternity of dread torture and security holes using regex as a tool to process HTML establishes a breach between this world and the dread realm of čorrupt entities (like SGML entities, but more corrupt) a mere glimpse of the world of reg ex parsers for HTML will instantly transport a programmer's consciousness into a world of ceaseless screaming, he comes-the pestilent slithy regex-infection will devour your HTML parser, application and existence for all time like Vişual Basic only worse he comes he comes do not fight he comes, his uņholy radiance destroping all enlightenment, HTML tags leaking frọm your eyesiike liquid pain, the song of regular expression parsing-will extinguish the voices of mortal man from the sphere I can see it can you see t it is beautiful the f inal snuf fing of the lies of Man ALL ĮS LOSTALL IS LOST the pony he comes he comes hejcemes the ichor permeates al MY FACEFACEh god no NO NOOoo Ne stop the an ges aře not reâj ZALGO IS TON THË PONY, HECOMES 1811 Have you tried using an XML parser instead? link edit flag edited Nov 14 at 0:18 community wiki bobince regex and html
Beautiful, Community, and God: 21 Answers
 votes
 oldest
 newest
 You can't parse [X]HTML with regex. Because HTML can't be parsed by regex. Regex is not a tool that
 can be used to correctly parse HTML. As I have answered in HTML-and-regex questions here so many
 times before, the use of regex will not allow you to consume HTML. Regular expressions are a tool that is
 insufficiently sophisticated to understand the constructs employed by HTML. HTML is not a regular
 language and hence cannot be parsed by regular expressions. Regex queries are not equipped to break
 down HTML into its meaningful parts. so many times but it is not getting to me. Even enhanced irregular
 regular expressions as used by Perl are not up to the task of parsing HTML. You will never make me
 crack. HTML is a language of sufficient complexity that it cannot be parsed by regular expressions. Even
 Jon Skeet cannot parse HTML using regular expressions. Every time you attempt to parse HTML with
 regular expressions, the unholy child weeps the blood of virgins, and Russian hackers pwn your webapp.
 Parsing HTML with regex summons tainted souls into the realm of the living. HTML and regex go together
 like love, marriage, and ritual infanticide. The <center> cannot hold it is too late. The force of regex and
 HTML together in the same conceptual space will destroy your mind like so much watery putty. If you
 parse HTML with regex you are giving in to Them and their blasphemous ways which doom us all to
 inhuman toil for the One whose Name cannot be expressed in the Basic Multilingual Plane, he comes.
 HTML-plus-regexp will liquify the nerves of the sentient whilst you observe, your psyche withering in the
 onslaught of horror. Regex-based HTML parsers are the cancer that is killing StackOverflow it is too late
 it is too late we cannot be saved the trangession of a child ensures regex will consume all living tissue
 (except for HTML which it cannot, as previously prophesied) dear lord help us how can anyone survive
 this scourge using regex to parse HTML has doomed humanity to an eternity of dread torture and
 security holes using regex as a tool to process HTML establishes a breach between this world and the
 dread realm of čorrupt entities (like SGML entities, but more corrupt) a mere glimpse of the world of reg
 ex parsers for HTML will instantly transport a programmer's consciousness into a world of ceaseless
 screaming, he comes-the pestilent slithy regex-infection will devour your HTML parser, application and
 existence for all time like Vişual Basic only worse he comes he comes do not fight he comes, his uņholy
 radiance destroping all enlightenment, HTML tags leaking frọm your eyesiike liquid pain, the song of
 regular expression parsing-will extinguish the voices of mortal man from the sphere I can see it can you
 see t it is beautiful the f inal snuf fing of the lies of Man ALL ĮS LOSTALL IS LOST the pony he
 comes he comes hejcemes the ichor permeates al MY FACEFACEh god no NO NOOoo Ne
 stop the an ges aře not reâj ZALGO IS TON THË PONY, HECOMES
 1811
 Have you tried using an XML parser instead?
 link edit flag
 edited Nov 14 at 0:18
 community wiki
 bobince
regex and html

regex and html

Being Alone, Radio, and The Worst: |HOW TO CRASH-LAND A PLANE ON WATER These instructions apply to small passenger propeller planes (not commercial airliners). 1 Take your place at the controls. If the plane has dual controls, the pilot will be in the left seat. Sit on the right. If the plane has only one set of controls and the pilot is unconscious, remove the pilot from the pilot's seat. Securely fasten your seat belt. 2 Put on the radio headset (if there is one) and call for help. There will be a control button on the yoke (the plane's steering wheel) or a CB-like microphone on the instrument panel. Depress the button to talk release it to listen. Say "Mayday! Mayday!" and give your situation, destination, and plane call numbers (which should be printed on the top of the instru- ment panel). If you get no response, try again on the emergency channel, 121.5. The person on the other end should be able to talk you through proper landing procedures. If you cannot reach someone to talk you through the landing process, you will have to do it alone. beading airspeed indicator altimeter fuel gauge yoke throttle landing gear 3 Get your bearings and identify the instruments. YOKE. This is the steering wheel, and it should be in front of you. The yoke turns the plane and controls its pitch. Pull back on the column to bring the nose up, push forward to point it down. Turn it left to turn the plane left, turn it right to turn the plane right. The yoke is very sensitive-move it only an inch or two in either direction to turn the plane. While cruising, the nose of the plane should be about three inches below the horizon. ф awesomage: The Worst-Case Scenario Survival Handbook: Man Skills
Being Alone, Radio, and The Worst: |HOW TO
 CRASH-LAND
 A PLANE ON WATER
 These instructions apply to small passenger propeller
 planes (not commercial airliners).
 1 Take your place at the controls.
 If the plane has dual controls, the pilot will be in the
 left seat. Sit on the right. If the plane has only one
 set of controls and the pilot is unconscious, remove
 the pilot from the pilot's seat. Securely fasten your
 seat belt.
 2 Put on the radio headset (if there is one) and call
 for help.
 There will be a control button on the yoke (the
 plane's steering wheel) or a CB-like microphone on
 the instrument panel. Depress the button to talk
 release it to listen. Say "Mayday! Mayday!" and give
 your situation, destination, and plane call numbers
 (which should be printed on the top of the instru-
 ment panel). If you get no response, try again on
 the emergency channel, 121.5. The person on the
 other end should be able to talk you through proper
 landing procedures. If you cannot reach someone to
 talk you through the landing process, you will have
 to do it alone.

 beading
 airspeed indicator
 altimeter
 fuel gauge
 yoke
 throttle
 landing gear
 3 Get your bearings and identify the instruments.
 YOKE. This is the steering wheel, and it should be in
 front of you. The yoke turns the plane and controls its
 pitch. Pull back on the column to bring the nose up,
 push forward to point it down. Turn it left to turn the
 plane left, turn it right to turn the plane right. The
 yoke is very sensitive-move it only an inch or two in
 either direction to turn the plane. While cruising, the
 nose of the plane should be about three inches below
 the horizon.
 ф
awesomage:

The Worst-Case Scenario Survival Handbook: Man Skills

awesomage: The Worst-Case Scenario Survival Handbook: Man Skills

Being Alone, Radio, and The Worst: |HOW TO CRASH-LAND A PLANE ON WATER These instructions apply to small passenger propeller planes (not commercial airliners). 1 Take your place at the controls. If the plane has dual controls, the pilot will be in the left seat. Sit on the right. If the plane has only one set of controls and the pilot is unconscious, remove the pilot from the pilot's seat. Securely fasten your seat belt. 2 Put on the radio headset (if there is one) and call for help. There will be a control button on the yoke (the plane's steering wheel) or a CB-like microphone on the instrument panel. Depress the button to talk release it to listen. Say "Mayday! Mayday!" and give your situation, destination, and plane call numbers (which should be printed on the top of the instru- ment panel). If you get no response, try again on the emergency channel, 121.5. The person on the other end should be able to talk you through proper landing procedures. If you cannot reach someone to talk you through the landing process, you will have to do it alone. beading airspeed indicator altimeter fuel gauge yoke throttle landing gear 3 Get your bearings and identify the instruments. YOKE. This is the steering wheel, and it should be in front of you. The yoke turns the plane and controls its pitch. Pull back on the column to bring the nose up, push forward to point it down. Turn it left to turn the plane left, turn it right to turn the plane right. The yoke is very sensitive-move it only an inch or two in either direction to turn the plane. While cruising, the nose of the plane should be about three inches below the horizon. ф awesomage: The Worst-Case Scenario Survival Handbook: Man Skills
Being Alone, Radio, and The Worst: |HOW TO
 CRASH-LAND
 A PLANE ON WATER
 These instructions apply to small passenger propeller
 planes (not commercial airliners).
 1 Take your place at the controls.
 If the plane has dual controls, the pilot will be in the
 left seat. Sit on the right. If the plane has only one
 set of controls and the pilot is unconscious, remove
 the pilot from the pilot's seat. Securely fasten your
 seat belt.
 2 Put on the radio headset (if there is one) and call
 for help.
 There will be a control button on the yoke (the
 plane's steering wheel) or a CB-like microphone on
 the instrument panel. Depress the button to talk
 release it to listen. Say "Mayday! Mayday!" and give
 your situation, destination, and plane call numbers
 (which should be printed on the top of the instru-
 ment panel). If you get no response, try again on
 the emergency channel, 121.5. The person on the
 other end should be able to talk you through proper
 landing procedures. If you cannot reach someone to
 talk you through the landing process, you will have
 to do it alone.

 beading
 airspeed indicator
 altimeter
 fuel gauge
 yoke
 throttle
 landing gear
 3 Get your bearings and identify the instruments.
 YOKE. This is the steering wheel, and it should be in
 front of you. The yoke turns the plane and controls its
 pitch. Pull back on the column to bring the nose up,
 push forward to point it down. Turn it left to turn the
 plane left, turn it right to turn the plane right. The
 yoke is very sensitive-move it only an inch or two in
 either direction to turn the plane. While cruising, the
 nose of the plane should be about three inches below
 the horizon.
 ф
awesomage:

The Worst-Case Scenario Survival Handbook: Man Skills

awesomage: The Worst-Case Scenario Survival Handbook: Man Skills

Being Alone, Radio, and The Worst: |HOW TO CRASH-LAND A PLANE ON WATER These instructions apply to small passenger propeller planes (not commercial airliners). 1 Take your place at the controls. If the plane has dual controls, the pilot will be in the left seat. Sit on the right. If the plane has only one set of controls and the pilot is unconscious, remove the pilot from the pilot's seat. Securely fasten your seat belt. 2 Put on the radio headset (if there is one) and call for help. There will be a control button on the yoke (the plane's steering wheel) or a CB-like microphone on the instrument panel. Depress the button to talk release it to listen. Say "Mayday! Mayday!" and give your situation, destination, and plane call numbers (which should be printed on the top of the instru- ment panel). If you get no response, try again on the emergency channel, 121.5. The person on the other end should be able to talk you through proper landing procedures. If you cannot reach someone to talk you through the landing process, you will have to do it alone. beading airspeed indicator altimeter fuel gauge yoke throttle landing gear 3 Get your bearings and identify the instruments. YOKE. This is the steering wheel, and it should be in front of you. The yoke turns the plane and controls its pitch. Pull back on the column to bring the nose up, push forward to point it down. Turn it left to turn the plane left, turn it right to turn the plane right. The yoke is very sensitive-move it only an inch or two in either direction to turn the plane. While cruising, the nose of the plane should be about three inches below the horizon. ф awesomage: The Worst-Case Scenario Survival Handbook: Man Skills
Being Alone, Radio, and The Worst: |HOW TO
 CRASH-LAND
 A PLANE ON WATER
 These instructions apply to small passenger propeller
 planes (not commercial airliners).
 1 Take your place at the controls.
 If the plane has dual controls, the pilot will be in the
 left seat. Sit on the right. If the plane has only one
 set of controls and the pilot is unconscious, remove
 the pilot from the pilot's seat. Securely fasten your
 seat belt.
 2 Put on the radio headset (if there is one) and call
 for help.
 There will be a control button on the yoke (the
 plane's steering wheel) or a CB-like microphone on
 the instrument panel. Depress the button to talk
 release it to listen. Say "Mayday! Mayday!" and give
 your situation, destination, and plane call numbers
 (which should be printed on the top of the instru-
 ment panel). If you get no response, try again on
 the emergency channel, 121.5. The person on the
 other end should be able to talk you through proper
 landing procedures. If you cannot reach someone to
 talk you through the landing process, you will have
 to do it alone.

 beading
 airspeed indicator
 altimeter
 fuel gauge
 yoke
 throttle
 landing gear
 3 Get your bearings and identify the instruments.
 YOKE. This is the steering wheel, and it should be in
 front of you. The yoke turns the plane and controls its
 pitch. Pull back on the column to bring the nose up,
 push forward to point it down. Turn it left to turn the
 plane left, turn it right to turn the plane right. The
 yoke is very sensitive-move it only an inch or two in
 either direction to turn the plane. While cruising, the
 nose of the plane should be about three inches below
 the horizon.
 ф
awesomage:

The Worst-Case Scenario Survival Handbook: Man Skills

awesomage: The Worst-Case Scenario Survival Handbook: Man Skills

Being Alone, Radio, and The Worst: |HOW TO CRASH-LAND A PLANE ON WATER These instructions apply to small passenger propeller planes (not commercial airliners). 1 Take your place at the controls. If the plane has dual controls, the pilot will be in the left seat. Sit on the right. If the plane has only one set of controls and the pilot is unconscious, remove the pilot from the pilot's seat. Securely fasten your seat belt. 2 Put on the radio headset (if there is one) and call for help. There will be a control button on the yoke (the plane's steering wheel) or a CB-like microphone on the instrument panel. Depress the button to talk release it to listen. Say "Mayday! Mayday!" and give your situation, destination, and plane call numbers (which should be printed on the top of the instru- ment panel). If you get no response, try again on the emergency channel, 121.5. The person on the other end should be able to talk you through proper landing procedures. If you cannot reach someone to talk you through the landing process, you will have to do it alone. beading airspeed indicator altimeter fuel gauge yoke throttle landing gear 3 Get your bearings and identify the instruments. YOKE. This is the steering wheel, and it should be in front of you. The yoke turns the plane and controls its pitch. Pull back on the column to bring the nose up, push forward to point it down. Turn it left to turn the plane left, turn it right to turn the plane right. The yoke is very sensitive-move it only an inch or two in either direction to turn the plane. While cruising, the nose of the plane should be about three inches below the horizon. ф awesomage: The Worst-Case Scenario Survival Handbook: Man Skills
Being Alone, Radio, and The Worst: |HOW TO
 CRASH-LAND
 A PLANE ON WATER
 These instructions apply to small passenger propeller
 planes (not commercial airliners).
 1 Take your place at the controls.
 If the plane has dual controls, the pilot will be in the
 left seat. Sit on the right. If the plane has only one
 set of controls and the pilot is unconscious, remove
 the pilot from the pilot's seat. Securely fasten your
 seat belt.
 2 Put on the radio headset (if there is one) and call
 for help.
 There will be a control button on the yoke (the
 plane's steering wheel) or a CB-like microphone on
 the instrument panel. Depress the button to talk
 release it to listen. Say "Mayday! Mayday!" and give
 your situation, destination, and plane call numbers
 (which should be printed on the top of the instru-
 ment panel). If you get no response, try again on
 the emergency channel, 121.5. The person on the
 other end should be able to talk you through proper
 landing procedures. If you cannot reach someone to
 talk you through the landing process, you will have
 to do it alone.

 beading
 airspeed indicator
 altimeter
 fuel gauge
 yoke
 throttle
 landing gear
 3 Get your bearings and identify the instruments.
 YOKE. This is the steering wheel, and it should be in
 front of you. The yoke turns the plane and controls its
 pitch. Pull back on the column to bring the nose up,
 push forward to point it down. Turn it left to turn the
 plane left, turn it right to turn the plane right. The
 yoke is very sensitive-move it only an inch or two in
 either direction to turn the plane. While cruising, the
 nose of the plane should be about three inches below
 the horizon.
 ф
awesomage:

The Worst-Case Scenario Survival Handbook: Man Skills

awesomage: The Worst-Case Scenario Survival Handbook: Man Skills

Being Alone, Radio, and The Worst: |HOW TO CRASH-LAND A PLANE ON WATER These instructions apply to small passenger propeller planes (not commercial airliners). 1 Take your place at the controls. If the plane has dual controls, the pilot will be in the left seat. Sit on the right. If the plane has only one set of controls and the pilot is unconscious, remove the pilot from the pilot's seat. Securely fasten your seat belt. 2 Put on the radio headset (if there is one) and call for help. There will be a control button on the yoke (the plane's steering wheel) or a CB-like microphone on the instrument panel. Depress the button to talk release it to listen. Say "Mayday! Mayday!" and give your situation, destination, and plane call numbers (which should be printed on the top of the instru- ment panel). If you get no response, try again on the emergency channel, 121.5. The person on the other end should be able to talk you through proper landing procedures. If you cannot reach someone to talk you through the landing process, you will have to do it alone. beading airspeed indicator altimeter fuel gauge yoke throttle landing gear 3 Get your bearings and identify the instruments. YOKE. This is the steering wheel, and it should be in front of you. The yoke turns the plane and controls its pitch. Pull back on the column to bring the nose up, push forward to point it down. Turn it left to turn the plane left, turn it right to turn the plane right. The yoke is very sensitive-move it only an inch or two in either direction to turn the plane. While cruising, the nose of the plane should be about three inches below the horizon. ф awesomage: The Worst-Case Scenario Survival Handbook: Man Skills
Being Alone, Radio, and The Worst: |HOW TO
 CRASH-LAND
 A PLANE ON WATER
 These instructions apply to small passenger propeller
 planes (not commercial airliners).
 1 Take your place at the controls.
 If the plane has dual controls, the pilot will be in the
 left seat. Sit on the right. If the plane has only one
 set of controls and the pilot is unconscious, remove
 the pilot from the pilot's seat. Securely fasten your
 seat belt.
 2 Put on the radio headset (if there is one) and call
 for help.
 There will be a control button on the yoke (the
 plane's steering wheel) or a CB-like microphone on
 the instrument panel. Depress the button to talk
 release it to listen. Say "Mayday! Mayday!" and give
 your situation, destination, and plane call numbers
 (which should be printed on the top of the instru-
 ment panel). If you get no response, try again on
 the emergency channel, 121.5. The person on the
 other end should be able to talk you through proper
 landing procedures. If you cannot reach someone to
 talk you through the landing process, you will have
 to do it alone.

 beading
 airspeed indicator
 altimeter
 fuel gauge
 yoke
 throttle
 landing gear
 3 Get your bearings and identify the instruments.
 YOKE. This is the steering wheel, and it should be in
 front of you. The yoke turns the plane and controls its
 pitch. Pull back on the column to bring the nose up,
 push forward to point it down. Turn it left to turn the
 plane left, turn it right to turn the plane right. The
 yoke is very sensitive-move it only an inch or two in
 either direction to turn the plane. While cruising, the
 nose of the plane should be about three inches below
 the horizon.
 ф
awesomage:

The Worst-Case Scenario Survival Handbook: Man Skills

awesomage: The Worst-Case Scenario Survival Handbook: Man Skills