W3School TIY Editor
W3School 在线教程
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<html> <body> <script type="text/javascript"> var str = "Visit W3School, W3School is a place to study web technology."; var patt = new RegExp("W3School","g"); var result; while ((result = patt.exec(str)) != null) { document.write(result); document.write("<br />"); document.write(patt.lastIndex); document.write("<br />"); } </script> </body> </html>