@Override
    public boolean match(final String rule) {
        boolean matches = rule.matches("^list\\|\\[.+]$");
        if (matches) {
            String candidateData = rule.substring(6, rule.length() - 1);
            return !candidateData.matches("^\\s+$");
        }
        return false;
    }
Specify the in-list data generator.
shenyu-plugin/shenyu-plugin-mock/src/main/java/org/apache/shenyu/plugin/mock/generator/RangeDataGenerator.java