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Old 01-02-2015, 05:04 PM   #451
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This will work:
<span class="italics">\w+ [\w+ ,]{1,}</span>

You may want to add all punctuation characters or any character a sentence may include. You can change this to:
<span class="italics">\w+ [\w+ ,\.\?\-]{1,}</span>
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Old 01-02-2015, 05:56 PM   #452
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Old 01-12-2015, 10:34 AM   #453
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Removing empty html elements

How about a regex that finds everything that has the structure of

<AAAwhatever></AAA>

i.e. all empty html elements.

Or, even better, all elements that either are empty or that contain just a space.

EDIT Looks like this one is working, though I'm not entirely sure why.

Code:
<[^/>]+>[ \n\r\t]*</[^>]+>

Last edited by 1v4n0; 01-12-2015 at 10:51 AM.
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Old 01-12-2015, 10:55 AM   #454
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Code:
<(\w+)( [^<>]+)?>(\s|&nbsp;)*</\1>

Last edited by eschwartz; 01-12-2015 at 11:00 AM.
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Old 01-12-2015, 11:06 AM   #455
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Quote:
Originally Posted by 1v4n0 View Post
How about a regex that finds everything that has the structure of

<AAAwhatever></AAA>

i.e. all empty html elements.

Or, even better, all elements that either are empty or that contain just a space.
i use something like this to catch paragraph tags, either empty or containing only whitespace. it also catches nested tags, so things like

<p><i><b><br/></b></i></p>

Code:
(?s)<p[^>]*?>\s*?(?:<\w[^>/]*?>)*?\s*?(?:&nbsp;|*|<br(?:\s|\s/|/)?>)*?\s*?(?:</\w[^>/]*?>)*?\s*?</p>
Quote:
Originally Posted by 1v4n0 View Post
EDIT Looks like this one is working, though I'm not entirely sure why.

Code:
<[^/>]+>[ \n\r\t]*</[^>]+>
because it's looking for

Code:
<[^/>]+>
an opening and closing bracket containing one or more of anything except closing brackets or forward slashes

Code:
[ \n\r\t]*
followed by none or more spaces, newlines or tabs

Code:
</[^>]+>
followed by an opening and closing bracket containing one or more of anything except closing brackets or forward slashes

Last edited by mzmm; 01-12-2015 at 11:09 AM.
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Old 01-12-2015, 11:09 AM   #456
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Quote:
Originally Posted by 1v4n0 View Post
How about a regex that finds everything that has the structure of

<AAAwhatever></AAA>

i.e. all empty html elements.

Or, even better, all elements that either are empty or that contain just a space.

EDIT Looks like this one is working, though I'm not entirely sure why.

Code:
<[^/>]+>[ \n\r\t]*</[^>]+>
Don't use this. It won't work. Sorry, but you cannot guarantee that it won't mess something up.

Take a look at the following line...

<p><span>This is some text.<span class="smallcaps">THIS IS MORE TEXT</span>. This is yet more text.</span> And finally the last bit of text.</p>

Can you use regex to get rid of the empty span without messing up the span that actually does something? I don't see how you can.
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Old 01-12-2015, 11:11 AM   #457
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Didn't notice you found a solution.

Note that mine should find html entity nbsp's as well.

Additionally, it makes sense to ensure the two tags match, which I have done.

Last edited by eschwartz; 01-12-2015 at 11:16 AM.
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Old 01-12-2015, 11:14 AM   #458
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Quote:
Originally Posted by JSWolf View Post
Don't use this. It won't work. Sorry, but you cannot guarantee that it won't mess something up.

Take a look at the following line...

<p><span>This is some text.<span class="smallcaps">THIS IS MORE TEXT</span>. This is yet more text.</span> And finally the last bit of text.</p>

Can you use regex to get rid of the empty span without messing up the span that actually does something? I don't see how you can.
The reason it won't do anything... is because there is no empty tag set, span or otherwise.
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Old 01-12-2015, 12:58 PM   #459
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Quote:
Originally Posted by mzmm View Post
Thanks for the explanation. Your code doesn't work though.
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Old 01-12-2015, 01:17 PM   #460
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had some trouble pasting this in, but anyway, it's fixed

Code:
(?s)<p[^>]*?>\s*?(?:<\w[^>/]*?>)*?\s*?(?:&nbsp;|<br(?:\s|\s/|/)?>)*?\s*?(?:</\w[^>/]*?>)*?\s*?</p>

Last edited by mzmm; 01-12-2015 at 01:21 PM.
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Old 01-12-2015, 02:25 PM   #461
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hmm still doesn't work. Only finds the tags with &nbsp; inside.

Last edited by 1v4n0; 01-12-2015 at 03:21 PM.
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Old 01-12-2015, 03:44 PM   #462
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Use mine. It will remove matched tag pairs with no content or containing only a space or html entity space.

regex is not a programming language. The appropriate way to remove multiple nested sets is by repeating the Replace All until there are none left.
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Old 01-12-2015, 04:06 PM   #463
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Quote:
Originally Posted by eschwartz View Post
The reason it won't do anything... is because there is no empty tag set, span or otherwise.
There is an empty span set. It's the span that does nothing. The other span does something so it's not empty. But regex will not recognize which </span> is the closing for empty span.
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Old 01-12-2015, 04:11 PM   #464
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Quote:
Originally Posted by JSWolf View Post
There is an empty span set. It's the span that does nothing. The other span does something so it's not empty. But regex will not recognize which </span> is the closing for empty span.
Perhaps the fundamental point of this particular question has escaped you. The OP is asking for something to find tags which do not enclose rendered text.

It is also worth pointing out that the span tag *can* be styled without attributes. Which would be the only reason to have an attributeless span tag anyway.
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Old 01-23-2015, 12:24 PM   #465
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Quote:
Originally Posted by 1v4n0 View Post
Thanks for the explanation. Your code doesn't work though.
works for me in Sigil

it matches

<p></p>
<p><br/></p>
<p><span><br/>&nbsp;</span></p>
<p><i><b><br />&nbsp;</b></i></p>
...

but not when the tags are unevenly distributed, as in
<p><i>&nbsp;</i><span></span></p>

anyway. grave-digging threads here...
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