PatternDecimalRechignant.java |
import java.util.regex.*; public class PatternDecimalRechignant { public static void main(String[] args) { Pattern p = Pattern.compile("(\\d+?\\.\\d*?([eE][+-]?\\d+?)?[fFdD]?)"+ "|(\\.\\d+?([eE][+-]?\\d+?)?[fFdD]?)" + "|(\\d+?[eE][+-]?\\d+?[fFdD]?)" + "|(\\d+?([eE][+-]?\\d+?)?[fFdD])"); Matcher m = p.matcher("abc1.25e-3def1.+15ghi+1.2E-15Fj"); for (int nb=0; m.find(); ++nb) System.out.println("Occurrence " + nb + " : " + m.group()); } }