ignoreCase是正則表達式對象的只讀布爾屬性。它指定是否一個特定的正則表達式執行不區分大小寫的匹配。，它與“i”屬性創建。
語法
?
1 RegExpObject.ignoreCase下面是參數的詳細信息：
返回值:
例子：
? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 <html> <head> <title>JavaScript RegExp ignoreCase Property</title> </head> <body> <script type="text/javascript"> var re = new RegExp( "string" ); if ( re.ignoreCase ){ document.write("Test1-ignoreCase property is set"); }else{ document.write("Test1-ignoreCase property is not set"); } re = new RegExp( "string", "i" ); if ( re.ignoreCase ){ document.write("<br/>Test2-ignoreCase property is set"); }else{ document.write("<br/>Test2-ignoreCase property is not set"); } </script> </body> </html>這將產生以下結果：
? 1 2 Test1 - ignoreCase property is not set Test2 - ignoreCase property is set