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String str="abc efg ABC";
String regEx="a|f"; //±íʾa»òf
Pattern p=Pattern.compile(regEx);
Matcher m=p.matcher(str);
boolean rs=m.find();
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String regEx=".+\(.+)$";
String str="c:\dir1\dir2\name.txt";
Pattern p=Pattern.compile(regEx);
Matcher m=p.matcher(str);
boolean rs=m.find();
for(int i=1;i<=m.groupCount();i++){
System.out.println(m.group(i));
}
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String regEx="::";
Pattern p=Pattern.compile(regEx);
String[] r=p.split("xd::abc::cde");
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String str="xd::abc::cde";
String[] r=str.split("::");
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String regEx="a+"; //±íʾһ¸ö»ò¶à¸öa
Pattern p=Pattern.compile(regEx);
Matcher m=p.matcher("aaabbced a ccdeaa");
String s=m.replaceAll("A");
½á¹ûΪ"Abbced A ccdeA"
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String s=m.replaceAll("");
½á¹ûΪ"bbced ccde"
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