Wikipedia:AutoEd/whitespace.js

function autoEdWhitespace(str) { //MAIN FUNCTION describes list of fixes

str = str.replace(/\t/g, " "); str = str.replace(/^ ? ? \n/gm, "\n");

// Extra newlines if(str.search(/\uE000/g) < 0) { // see Private Use Area // Mark spacing before stub templates str = str.replace(/(\n)[ \t]*(\n)[ \t]*(\n\{\{[^{}]*\-stub\}\})/gm, "$1\uE000$2\uE000$3"); str = str.replace(/(\n)[ \t]*(\n\{\{[^{}]*\-stub\}\})/gm, "$1\uE000$2"); // Remove extra newlines str = str.replace(/(?:[\t ]*\n)+[\t ]*(\n\uE000\n\uE000\n)/gm, "$1"); str = str.replace(/(\n\n)\n+/gm, "$1"); str = str.replace(/(\n[\t ]*\n)(?:[\t ]*\n)+/g, "$1"); // Unmark str = str.replace(/\uE000/g, ''); }

// str = str.replace(/== ? ?\n\n==/g, "==\n=="); str = str.replace(/\n\n(\* ?\[?http)/g, "\n$1"); str = str.replace(/^ ? ? \n/gm, "\n"); str = str.replace(/\n\n\*/g, "\n*"); // str = str.replace(/[ \t][ \t]+/g, " "); str = str.replace(/(=\n[\t ]*\n[\t ]*\n)(?:[\t ]*\n)+/g, "$1"); str = str.replace(/ \n/g, "\n"); //* bullet points if(str.search(/\uE000/g) < 0) { // see Private Use Area str = str.replace(/^(\#)(REDIRECT)/gi, '$1\uE000$2'); // Mark redirects str = str.replace(/^([\*#]+:*) /gm, "$1"); str = str.replace(/^([\*#]+:*)/gm, "$1 "); str = str.replace(/[\t ]*\uE000[\t ]*/g, ''); // Unmark redirects }   //==Headings== str = str.replace(/^(={1,4} )[ ]*([^= ][^=]*[^= ])[ ]*( ={1,4})$/gm, "$1$2$3"); str = str.replace(/^(={1,4})([^= ][^=]*[^= ])[ ]+(={1,4})$/gm, "$1$2$3"); str = str.replace(/^(={1,4})[ ]+([^= ][^=]*[^= ])(={1,4})$/gm, "$1$2$3");

return str; }