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The best answer on StackOverflow: Using RegEx to parse HTML (stackoverflow.com)

submitted 2 months ago by BaumGeist@lemmy.ml to c/programmerhumor@lemmy.ml

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[–] moriquende@lemmy.world 7 points 2 months ago (1 children)

It can't be done, as an opening tag in html can contain anything in its attributes, even JavaScript (e.g. onclick handler).

[–] schnurrito@discuss.tchncs.de -1 points 2 months ago (1 children)

??? Non sequitur

[–] moriquende@lemmy.world 5 points 2 months ago (1 children)

You can't parse every html opening tag with regex, because a html opening tag doesn't have a set structure. How would you match, with regex, this opening tag? <mytag myattribute="<value of \"myattribute\">" >

[–] schnurrito@discuss.tchncs.de 0 points 2 months ago* (last edited 2 months ago) (1 children)

Is this valid HTML? My understanding is that that attribute value needs to be escaped, i.e <value of \"myattribute\">.

[–] moriquende@lemmy.world 4 points 2 months ago

The quote must not be escaped when you start with a single quote. The rest doesn't. This is valid and tested: <img alt='my "<img>"'>