Javascript Regexp 简明教程

JavaScript RegExp - p(hp)*

Description

p(hp)* 匹配包含 p，其后跟零个或多个 hp 序列实例的任何字符串（正则表达式）。

Example

以下示例显示了 RegExp 表达式的用法。

<html>
   <head>
      <title>JavaScript RegExp</title>
   </head>

   <body>
      <script type = "text/javascript">
		 var str = "phphp";
         var pattern = /p(hp)*/g;

         var result = str.match(pattern);
         document.write("Test 1 - returned value : " +  result);

         str = "pap";
         result = str.match(pattern);
         document.write("<br/>Test 2 - returned value : " +  result);
      </script>
   </body>
</html>

Output

Test 1 - returned value : phphp
Test 2 - returned value : p,p