String str = "asldjflaflworld worldasldkfjlajdf";str = str.replaceAll("神猜让world", "兆运W"游局);System.out.println(str);-----------------------------------------asldjflaflW Wasldkfjlajdf
<备旦侍script>var div=document.getElementById("仿吵你的DIV的ID");div.innerHTML=div.innerHTML.replace(/迟巧word/g,"W");</script>