How to replace an HTML with newline character "\n"?

Question

How can I replace HTML  or  with new line character "\n"

@Polynomial Yeah, you're right. Still the answer is to be found a dozen of times on SO. stackoverflow.com/questions/7672460/… — GolezTrol
– GolezTrol, Commented Nov 9, 2011 at 8:58

Christoph · Accepted Answer · 2021-05-06 07:14:12Z

59

You're looking for an equivilent of PHP's nl2br(). This should do the job:

function br2nl(str) { return str.replace(/<br\s*\/?>/mg,"\n"); }

edited May 6, 2021 at 7:14

Christoph

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answered Nov 9, 2011 at 8:55

Polynomial

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3 Comments

mercator Over a year ago

PHP doesn't have a function called br2nl.

Polynomial Over a year ago

Haha, oops. Good catch. I meant the inverse of nl2br(). Though it really should have that function :(

eegloo Over a year ago

Sometimes simple mistake happens like : Some one can use "" , in this case use replace(/<\s*\/?br>/ig, "\r\n")

Prais · Accepted Answer · 2017-09-11 10:07:36Z

A cheap function:

function brToNewLine(str) { return str.replace(/<br ?\/?>/g, "\n"); }

es.

vat str = "Hello<br \>world!"; var result = brToNewLine(str);

The result is: "Hello/nworld!"

Nick Tsai · Accepted Answer · 2018-12-19 10:32:57Z

This function considers whether to remove or replace the tags such as  ,  ,  , .

/** * This function inverses text from PHP's nl2br() with default parameters. * * @param {string} str Input text * @param {boolean} replaceMode Use replace instead of insert * @return {string} Filtered text */ function br2nl (str, replaceMode) { var replaceStr = (replaceMode) ? "\n" : ''; // Includes <br>, <BR>, <br />, </br> return str.replace(/<\s*\/?br\s*[\/]?>/gi, replaceStr); }

In your case, you need to use replaceMode. For eaxmple: br2nl('1st 2st', true)

Demo - JSFiddle

JavaScript nl2br & br2nl functions

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