Question

Input:

<>Dynamic Text (PDF 120 KB)

产出:

<>Dynamic Text

Answer 1

var str = "Dynamic Text (PDF 120 KB)";
document.write(str.replace(/([^)]+)/,""));  // Dynamic Text

( matches (. You need to escape ( because it is a special character used to define a capturing group;
[^)]+ matches 1 one or more characters but );
Finally, ) matches the ending ).

Answer 2

如果你不喜欢使用reg,你可以这样做:

var str = "Dynamic Text (PDF 120 KB)";

var result = str.slice( 0, str.indexOf( ( ) );

a .slice( of the string,start with the first nature, and sign at the first instance of ()。

Array slice, which don t have as well browser support.。

Answer 3

var text = "Dynamic Text (PDF 120 KB)";
var new_text = text.replace(/(.*)/,"");

这应当做到,而是将“条码”改为“条码”。

Answer 4

为此:

var regExp = /(.*)/g;
alert("Dynamic Text (PDF 120 KB)".replace(regExp,""));