2013-03-21 聚會手記
KuangChe
JavaScript忍之道2::百謎決戰－iT邦幫忙ＸJSDC
console.log("jsdc2013".replace("2013","$`"));
$‘ (backtick) inserts the text to the left of the regex match
$’ (single quote) inserts the text to the right of the regex match
$$ inserts a single dollar sign