JavaScript 正则表达式RegExp的multiline属性 JavaScript 正则表达式RegExp的lastIndex属性 JavaScript 正则表达式RegExp的source属性 JavaScript 正则表达式RegExp的multiline属性 <html> <head> <title>JavaScript RegExp multiline Property</title> </head> <body> <script type = "text/javascript"> var re = new RegExp( "string" ); if ( re.multiline ) { document.write("Test1-multiline property is set"); } else { document.write("Test1-multiline property is not set"); } re = new RegExp( "string", "m" ); if ( re.multiline ) { document.write("<br/>Test2-multiline property is set"); } else { document.write("<br/>Test2-multiline property is not set"); } </script> </body> </html> JavaScript 正则表达式RegExp的lastIndex属性 JavaScript 正则表达式RegExp的source属性