Parameter Position Type Required Default Description 1 string Yes n/a This is the regular expression to be replaced. 2 string Yes n/a This is the string of text to replace with. A regular expression search and replace on a variable. Use the syntax for preg_replace() from the PHP manual. assign('articleTitle', "Infertility unlikely to\nbe passed on, experts say."); ?> ]]> Where index.tpl is: This should output: See also replace and escape.