import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "import(?:[\"'\\s]*([\\w*\\{\\}\\n\\r\\t, ]+)from\\s*)?[\"'\\s].*([@\\w_-]+)[\"'\\s].*;$";
final String string = "import {\n"
+ " Component\n"
+ "} from '@angular2/core';\n"
+ "import defaultMember from \"module-name\";\n"
+ "import * as name from \"module-name \";\n"
+ "import { member } from \" module-name\";\n"
+ "import { member as alias } from \"module-name\";\n"
+ "import { member1 , \n"
+ "member2 } from \"module-name\";\n"
+ "import { member1 , member2 as alias2 , member3 as alias3 } from \"module-name\";\n"
+ "import defaultMember, { member, member } from \"module-name\";\n"
+ "import defaultMember, * as name from \"module-name\";\n"
+ "import \"module-name\";\n"
+ "import * from './smdn';\n\n"
+ "/**\n"
+ " *Add all needed dependency to this module\n"
+ " *app requires those import modules to function\n"
+ "**/\n\n"
+ "let modules = [];\n";
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