import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "!::(?<FinancialProcessor>\\d+)\\~(?<FormatVersion>\\d+)\\~(?<TransactionGroupId>\\d+)\\~(?<SharedSnowFlake>SHRD\\w+)\\~(?<Acct1PurposeTypeId>\\d)(?<Acct1SignType>\\W)(?<Acct1PublicId>\\w{32})\\~(?<Acct2>(?<Acct2PurposeTypeId>\\d)(?<Acct2SignType>\\W)(?<Acct2PublicId>\\w{32}))?\\~(?<Acct3>(?<Acct3PurposeTypeId>\\d)(?<Acct3SignType>\\W)(?<Acct3PublicId>\\w{32}))?\\~(?<CardTransactionTypeId>\\d+)?\\~(?<TransactionAccountingId>.{1,50})?\\~(?<FeeScheduleId>\\d+)?::!";
final String string = "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~0+1ca4529ec1d74243b87da4fbb89e5455~0$b316bb02ed4e4246a1f269d135cd27c7~10~BlahBlah Blabh~1002::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~0+1ca4529ec1d74243b87da4fbb89e5455~0$b316bb02ed4e4246a1f269d135cd27c7~10~~1002::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~0+1ca4529ec1d74243b87da4fbb89e5455~0$b316bb02ed4e4246a1f269d135cd27c7~10~BlahBlah Blabh~::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~0+1ca4529ec1d74243b87da4fbb89e5455~0$b316bb02ed4e4246a1f269d135cd27c7~10~~::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~0+1ca4529ec1d74243b87da4fbb89e5455~0$b316bb02ed4e4246a1f269d135cd27c7~~~::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~0+1ca4529ec1d74243b87da4fbb89e5455~~~~::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~~~~~::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~~~~~1002::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~~~~BlahBlah Blabh~1002::!\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~~~10~BlahBlah Blabh~1002::!\n"
+ "In the !::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~0+1ca4529ec1d74243b87da4fbb89e5455~0$b316bb02ed4e4246a1f269d135cd27c7~10~BlahBlah Blabh~1002::! middle of a string\n"
+ "!::1~1~293328075~SHRD05G5E4B7SA8I0~0-23e744f20f034caab6d5e4ca8a0e5e24~0+1ca4529ec1d74243b87da4fbb89e5455~0$b316bb02ed4e4246a1f269d135cd27c7~10~BlahBlah Blabh~1002::! - Transferred From Shiny Black Box Account";
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