Wikipedia:AutoEd/extrabreaks.js

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function autoEdExtraBreaks(str) { //MAIN FUNCTION describes list of fixes
 
//Usually unneeded BR tags from ends of image descriptions and wikilinks (]]), templates (}}), template parameters (|)
str = str.replace(/[\t ]*<[\s\/\.]*br[\s\/\.]*>[\t ]*([\t\n ]*?)(\]\]|}}|\|)/gim, '$1$2');
//BR tag before a list item
str = str.replace(/[\t ]*<[\s\/\.]*br[\s\/\.]*>[\t ]*([\s]*?[\n]\*)/gim, '$1');
//BR tag followed by at least two newlines
str = str.replace(/[\t ]*<[\s\/\.]*br[\s\/\.]*>[\t ]*([\n])[\t ]*([\n])/gim, '$1$2');
 
return str;
}