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pass linebreaks through ajax to server from a content editable div

Posted on 2015-01-04
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Last Modified: 2015-01-05
I've used editable for my div in order to make it easy to edit the contents of a web page but when the text is sent to the server using ajax the line breaks have been removed.   What's worse, I can't even detect them using a regular expression.   I've tried many combinations:

            alert($(this).siblings("#body_121").text().replace(/<br>/gm, 'xxx'));
            alert($(this).siblings("#body_121").text().replace(/\n/gm, 'xxx'));
            alert($(this).siblings("#body_121").text().replace(/the/g,"**the**"));
            alert($(this).siblings("#body_121").text().replace(/<br?\/>/g,"break"));
            alert($(this).siblings("#body_121").text().replace(/\r\n/g,"**rn***"));
            alert($(this).siblings("#body_121").text().replace(/\n\r/g,"**nr***"));
            alert($(this).siblings("#body_121").text().replace(/\n/g,"**nnn***"));
            alert($(this).siblings("#body_121").text().replace(/\r/g,"**rrr***"));
            alert($(this).siblings("#body_121").text().replace(/<br>/g,"**rrr***"));
            alert($(this).siblings("#body_121").text().replace(/\r\n|\r|\n/g,"\n"));
            alert($(this).siblings("#body_121").text().replace(/\n\r?/g, 'xxxxx%0D%0A'));
            alert($(this).siblings("#body_121").text().replace(/\x0A/g, '0a'));
            alert($(this).siblings("#body_121").text().replace(/\x0D/g, '0a'))

None of these works detects any line breaks.   Each alert just shows the string without line breaks.  
If i use firebug I can see the linebreaks being added
mmmmm
<br>
<br>
mmmmm
every time I hit enter a new linebreak is added.   I can detect any other character  but even this detects nothing:
alert($(this).siblings("#body_121").text().replace(/[^m]/g, 'xxx'))

If i add any other character it detects it. such as:

 mmmmmgmmm

the g will show up as:

mmmmmxxxmmm
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Question by:vrosas_03
2 Comments
 
LVL 38

Accepted Solution

by:
Tom Beck earned 2000 total points
ID: 40530239
If you are using contenteditable="true" in a div, and you can wrap the content in <p> tags. Each time you add a return, <p></p> tags are inserted. Then you can just look for the <p> tags in the content to mark the line feeds. Or just send the inner html to the server and the <p> tags will be preserved. If you don't wrap the content of the editable div in <p> tags, some browsers (like Firefox) will insert a <br> in the DOM, but you cannot rely on that.

Test: http://jsfiddle.net/zg7bgn0n/
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Author Closing Comment

by:vrosas_03
ID: 40532553
My main problem was that I was using jQuery.text() rather than jQuery.html to grab the data.  I'll use the advice though to use <p> tags.  Hopefully they will stay during all stages from page to database and back again.  That would simplify using an contenteditable.
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