The inverse function of the PHP function NL2BR br2nl converts the BR newline character in HTML into a newline character in the text input

Here are a few ways to help you solve this problem.

The PHP version converts <br/> newline characters in HTML to line breaks in text boxes:
　　
The code is as follows:

function br2nl ($text) {    returnpreg_replace('/<br\\s*?\/?? >/i ', ',$text);}

Or

The code is as follows:

function br2nl ($text) {    $text=preg_replace('/<br\\s*?\/?? >/i ',chr($text);     return Preg_replace ('//I ', ',$text);}

JS version converts the <br/> newline character in html to a newline character in a text box:

The code is as follows:

function br2nl (TXT) {    var re=/(<br\/>|<br>|<BR>|<BR\/>)/g;     var s=txt.replace (Re, "\ n")    ; return s;}

The inverse function of the PHP function NL2BR br2nl converts the BR newline character in HTML into a newline character in the text input