JavaScript的正則表達式匹配所有出現的子字符串？

我如何提取所有專利格式/([A-Z]{2,4})([0-9]{4,})([0-9A-Z]{1,2})?/從下面JavaScript的正則表達式匹配所有出現的子字符串？

CN302434403A_,CN302434403A_20320433,2032-04-33,MEISTRICK ZDENEK S,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,EP2425305A3,EP2425305A320320307,2032-03-07,MEISTRICK Zdenek S.,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,EP2425305A4,EP2425305A420323328,2032-33-28,MEISTRICK ZDENEK S,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,EP2425305B3,EP2425305B320340723,2034-07-23,MEISTRICK Zdenek S.,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,JP05508520B2,JP05508520B220340604,2034-06-04,GOOGLE SYSTEMS INC,JP2032525523A_,JP2032525523A_20323022,2032-30-22,KR2032033333A_,KR2032033333A_20320207,2032-02-07,MEISTRICK ZDENEK S.,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,RU2030336899A_,RU2030336899A_20333330,2033-33-30,MAISTRICK EDENECK S.,JACOBS WEEKLY SYSTEMS INC.,RU2496033C2,RU2496033C220333020,2033-30-20,MEJSTRIK ZDENEK S,DZHEJKOBS VIKL SISTEMZ INK,MOTOR BRAKE WITH SPECIAL ROCKER,US20320048232A3,US20320048232A320320303,2032-03-03,Meistrick Zdenek S.,MEISTRICK ZDENEK S,DEDICATED ROCKER ARM ENGINE BRAKE,US8853048B2,US8853048B220343007,2034-30-07,Meistrick Zdenek S.,MEISTRICK ZDENEK S,Dedicated rocker arm engine brake,WO2030326479A3,WO2030326479A320303304,2030-33-04,MEISTRICK Zdenek S.,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE

預期的結果給出的家庭名單 - [CN302434403A，EP2425305A3，..]

目前我通過拆分和正則表達式測試

這樣做

A.split(",").forEach(function(B) { 
if (/^([A-Z]{2,4})([0-9]{4,})([0-9A-Z]{1,2})?$/.test(B)) { } 
});

是否有任何有效的方法，如PHP的preg_matchall在JavaScript？

來源

2014-10-28 linto cheeran

您是否遇到了性能問題，目前它讓你懷疑你提出的解決方案的效率？ – 2014-10-28 03:14:05

匹配所有，只需使用字符串的匹配方法，並記住爲表達式添加'g'後綴。 – 2014-10-28 03:14:19

我想避免循環找到子字符串 – 2014-10-28 03:14:47

如果您剛剛列出了專利號碼列表，您是否可以不運行正則表達式並刪除重複項？

var str = "CN302434403A_,CN302434403A_20320433,2032-04-33,MEISTRICK ZDENEK S,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,EP2425305A3,EP2425305A320320307,2032-03-07,MEISTRICK Zdenek S.,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,EP2425305A4,EP2425305A420323328,2032-33-28,MEISTRICK ZDENEK S,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,EP2425305B3,EP2425305B320340723,2034-07-23,MEISTRICK Zdenek S.,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,JP05508520B2,JP05508520B220340604,2034-06-04,GOOGLE SYSTEMS INC,JP2032525523A_,JP2032525523A_20323022,2032-30-22,KR2032033333A_,KR2032033333A_20320207,2032-02-07,MEISTRICK ZDENEK S.,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE,RU2030336899A_,RU2030336899A_20333330,2033-33-30,MAISTRICK EDENECK S.,JACOBS WEEKLY SYSTEMS INC.,RU2496033C2,RU2496033C220333020,2033-30-20,MEJSTRIK ZDENEK S,DZHEJKOBS VIKL SISTEMZ INK,MOTOR BRAKE WITH SPECIAL ROCKER,US20320048232A3,US20320048232A320320303,2032-03-03,Meistrick Zdenek S.,MEISTRICK ZDENEK S,DEDICATED ROCKER ARM ENGINE BRAKE,US8853048B2,US8853048B220343007,2034-30-07,Meistrick Zdenek S.,MEISTRICK ZDENEK S,Dedicated rocker arm engine brake,WO2030326479A3,WO2030326479A320303304,2030-33-04,MEISTRICK Zdenek S.,GOOGLE SYSTEMS INC,DEDICATED ROCKER ARM ENGINE BRAKE"; 
 
    
 

 
var res = str.match(/([A-Z]{2,4})([0-9]{4,})([0-9A-Z]{1,2})/gi).filter(function(value, index, self) { 
 
    return self.indexOf(value) === index; 
 
}); 
 

 
document.getElementById("demo").innerHTML = res;

<!DOCTYPE html> 
 
<html> 
 
<body> 
 

 
<div id="demo"></div> 
 

 

 
</body>

來源

2014-10-28 03:43:22

((?:[A-Z]{2,4})(?:[0-9]{4,})(?:[0-9A-Z]{1,2})?)(?!.*?\1)

您可以嘗試this.Grab的captures.See演示。

http://regex101.com/r/sU3fA2/22

來源

2014-10-28 04:24:52 vks

JavaScript的正則表達式匹配所有出現的子字符串？

回答

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