正则里的空格是 \s
可以用 \s*零个或多个空格
<script>
var sgtr = "Hello, world! <span class='MyStyleClass'>Test Text</span>,<span class='MyStyleClass'>Sample Text</span>!";
alert(sgtr.replace(/<span\s+class='mystyleclass'\s*>/gi,'[MyCode]'));
</script>
可以用 \s*零个或多个空格
<script>
var sgtr = "Hello, world! <span class='MyStyleClass'>Test Text</span>,<span class='MyStyleClass'>Sample Text</span>!";
alert(sgtr.replace(/<span\s+class='mystyleclass'\s*>/gi,'[MyCode]'));
</script>
<SCRIPT LANGUAGE="JavaScript">
var str = "Hello, world! <span class='MyStyleClass'>Test Text</span>,<span class='MyStyleClass'>Sample Text</span>!"
alert(str.replace(/<span class=\'MyStyleClass\'>/gi,"[MyCode]"))
</SCRIPT>