摘要：定义RegExp<script>var patt1=new RegExp("a");</script>RegExp对象的方法test();exec();compile();1 test();<script>var reg_exp=new RegExp("a");document.write(reg_exp.test("djshfjdkdjkshf sdhjd"));document.write("<br/>");document.write(reg_exp.test( 阅读全文