import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "在此输入你的正则表达式";
final String string = "0\n"
+ "1\n"
+ "0.0\n"
+ "0.00\n"
+ "9.00\n"
+ "18.00\n"
+ "27.0\n"
+ "36.00\n"
+ "45.00\n"
+ "54.00\n"
+ "63.00\n"
+ "72.00\n"
+ "81.00\n"
+ "90.00\n"
+ "99.99\n"
+ "100.00\n\n"
+ "0.\n"
+ "001\n"
+ "100.01\n"
+ "100.001\n"
+ "101";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(string);
while (matcher.find()) {
System.out.println("Full match: " + matcher.group(0));
for (int i = 1; i <= matcher.groupCount(); i++) {
System.out.println("Group " + i + ": " + matcher.group(i));
}
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html