replace multiple in javascript replace with single ?

Question

I want to replace the multiple   tags with single   in a text.

my text like,

<p>fhgfhgfhgfh</p>
<br><br>
<p>ghgfhfgh</p>
<br><br>
<p>fghfghfgh</p>
<br><br>
<p>fghfghfgh</p>
<br><br>
<p>fghfgh</p>
<br><br>

How i replace the multiple   with single  ?.

Gurpreet Singh · Accepted Answer · 2012-12-04 14:17:36Z

6

Try this

var str="<p>fhgfhgfhgfh</p><br><br><p>ghgfhfgh</p><br><br><p>";

var n=str.replace(/<br><br>/g,"<br>");

console.log(n);

Working DEMO

Edit: Above works for 2 br tags, code below should take care of any number of br tags.

var n = str.replace(/(<br>)+/g, '<br>');

Working DEMO

where /.../ denotes a regular expression, ( ) denotes   tag, and + denotes one or more occurrence of the previous expression and finally g is for global replacement.

edited Dec 4, 2012 at 14:17

answered Dec 4, 2012 at 9:49

Gurpreet Singh

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Comments

Ja͢ck · Accepted Answer · 2012-12-04 09:50:55Z

5

This should do the trick:

str.replace(/(?:<br>){2,}/g, '<br>')

Or, if they can be on different lines:

str.replace(/(?:<br>\s*){2,}/g, '<br>')

answered Dec 4, 2012 at 9:50

Ja͢ck

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