import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(?:^(R)\\|(\\d+)\\|\\^*([^|]*)\\|([^|]*)\\|(?:([^|]*)\\|)?.*$)|(?:^(P)\\|(\\d+)\\|\\|(\\d+).*$)";
final String string = "P|1||322061||^|||U \n"
+ "O|1||138||||||||||||O \n"
+ "R|1|^^^BE(B)||mmol/L||C||||||20150819144937 \n"
+ "R|2|^^^BEecf||mmol/L||C \n"
+ "R|3|^^^Ca++|1.17|mmol/L \n"
+ "R|4|^^^Ca++(7.4)||mmol/L||C \n"
+ "R|5|^^^HCO23-||mmol/L||C \n"
+ "R|6|^^^HCO3std||mmol/L||C \n"
+ "R|7|^^^K+|5.0|mmol/L \n"
+ "R|8|^^^Na+|140|mmol/L \n"
+ "R|9|^^^SO2c||%||C \n"
+ "R|10|^^^TCO2||mmol/L||C \n"
+ "R|11|^^^THbc||g/dL||C \n"
+ "R|12|^^^Temp|37.0|C\n";
final Pattern pattern = Pattern.compile(regex, Pattern.CASE_INSENSITIVE | 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