Use regex to replace words. The regex and replacedBy are actully passed into js's replace method directly. Please see http://www.w3schools.com/jsref/jsref_replace.asp for more detail. only \ and / in replacedBy need to be escaped Usage: (unknown identifier) regex [on|off] #toggle this module s/regex/replacedBy[/modifiers] #replace words in the sentence you said {nick} , s/regex/replacedBy/modifiers #replace words in the sentence others said, Use : after nick is also accepted, the space next to , or : is also optional Example: s/[a-zA-Z]// #remove first english alphabet found in yours words jame: s/[a-zA-Z]/*/g #replace all english alphabet in jame's words with *