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/**
* ÕýÔò±í´ïʽ¿ÉÒÔ»®·Ö²»Í¬µÄ×é,È¡³ö×éµÄÃû³Æ,À¨ºÅ¼´¿É, ¼´ËùνµÄ²¶»ñ×é
* 1. Ïà¹Ø֪ʶ: ²»²¶»ñÓÃ(?:expression) ±íʾÕâ×é²»ÐèÒª²¶»ñ
*
*
*/
public static void groupTest() {
String src = "xxxxxxxxxx2009-1-17-19-07-16yyyyy2001-02-18-19-07-16q";
String regex = "(\\w{4})(\\d{4}-\\d{1,2}-\\d{1,2}-\\d{1,2}-\\d{1,2}-\\d{1,2})";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(src);
displayMatchResult(matcher);
}
 
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/**
* 1. µ¥¸ö×Ö·û»òÕßÊý×ÖµÄ"»ò¹Øϵ"ÓÃ[]¼´¿É, ÕâÀï²»×öչʾ
* 2. ¶à¸ö×Ö·ûµÄ"»ò¹Øϵ"ÓÃÀ¨ºÅչʾ
* 3. ÌáÈ¡À¨ºÅµÄÄÚÈÝ, Çë¿´ÏÂÃæµÄÀý×Ó, ¹Ø×¢groupµÄindex
* 4. ÕâÀïµÄGroup¿ÉÒÔ²»²¶»ñ£¬²»²¶»ñµÄ·½Ê½ÊÇ(?:expression)
* 5. ÕâÀïÍƳöµÄÎÊÌâÊÇ:"·ÇÂß¼­¹ØϵÔõô¸ã"(ÓëÂß¼­¹Øϵ¾ÍËãÁË, ĬÈϵĶ¼ÊÇÓëÂß¼­¹Øϵ)
* 6. ·Ç¹Øϵ, ¹éÀൽ"Áã¿í¶È"ÖÐ
*
*/
public static void groupOr_Nested()
{
String src = "x1111abcxxxyyy";
String regex = "((?:x1111|y2222)abc)xxx";
//String regex = "((x1111|y2222)abc)xxx";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(src);
displayMatchResult(matcher);

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/**
* Ì°À·Æ¥ÅäºÍ·ÇÌ°À·Æ¥ÅäµÄ±È½Ï
* ÕâÊÇÒ»¸ö¼Ó²»¼ÓÎʺõÄÎÊÌâÁË
*/
public static void greedCompare()
{
String src = "<p class=\"author\"> <strong>admin </strong></strong> ·¢±íÓÚ 2009-5-14 16:49 </p><h3>ÌáÈ¡Ìû×ÓÄÚÈÝ </h3>“ÌáÈ¡Õâ¾ä»°”<br /> <br />";
/**·ÇÌ°À·Æ¥ÅäÓÃÏÂÃæ*/
//String regex = "<strong>(.*?)</strong>";
/**Ì°À·Æ¥ÅäÓÃÏÂÃæ */
String regex = "<strong>(.*)</strong>";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(src);
displayMatchResult(matcher);

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/**
* Ìæ»», ¸Ã·½·¨ºÜË®, ¼òµ¥µÄ¿ÉÓÃ, ¸´ÔÓµÄ
* Ó¦¸Ãͨ¹ýmatch.star(groupIndex)À´ÕÒλÖñȽϷ½±ã
*/
public static void replaceMatch()
{
String src = "xxxxxxxxxx200


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