...{id=167,contractId=21,name=ЭР9Е-665,.......

String regex = "\\{id=(?<id>\\d+),contractId=\\d+,name=(?<name>((\\w+)?[А-Яа-я]+\\w+[А-Яа-я]+\\-\\d+)),";

...{id=167,contractId=21,name=Р?Р 9Р?-665,.......[//FIXED]

и не заходит в цикл  [code=java]
while (matcher.find()){...}

java -jar -Dfile.Encoding=UTF-8 file.jar

java -jar -Dfile.Encoding=UTF-8 file.jar

src/resources/file.json

src/resources/file.json

src
   |- exmplepath
   |                 |-ExmplePath.java
   |- resources
                   |- stations.json

private void getFile() {
        try {
            System.out.println("0000000");
            System.out.println(getClass().getClassLoader().getResource("resources/stations.json"));
            Files.lines(Paths.get(getClass().getClassLoader().getResource("resources/stations.json").toURI()), StandardCharsets.UTF_8).forEach(System.out::println);
        } catch (IOException | URISyntaxException ex) {
            Logger.getLogger(ExmplePaths.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

0000000
file:/C:/Users/Muzaffar/Desktop/WORK/NBProjects/ExmplePaths/build/classes/resources/stations.json
[
    {бл* бла бла},
    ....

ExmplePaths.jar
                    |- exmplepath
                    |                 |-ExmplePath.class
                    |- META-INF
                    |                |- MANIFEST.MF
                    |- resources
                                    |- stations.json

C:\Users\Muzaffar>java -jar "C:\Users\Muzaffar\Desktop\WORK\NBProjects\ExmplePaths\dist\ExmplePaths.jar"

0000000
null
Exception in thread "main" java.lang.NullPointerException
        at exmplepaths.ExmplePaths.getFile(ExmplePaths.java:50)
        at exmplepaths.ExmplePaths.main(ExmplePaths.java:20)

InputStreamReader is = new InputStreamReader(getClass().getClassLoader().getResourceAsStream("resources/stations.json"));
BufferedReader br = new BufferedReader(is);
br.lines().forEach(System.out::println);