web/play-java-forms/src/main/java/play/data/DynamicForm.java
static String asDynamicKey(String key) {
    if (key.isEmpty() || MATCHES_DATA.matcher(key).matches()) {
      return key;
    } else {
      return "data[" + key + "]";
    }
  }
static String asDynamicKey(String key) {
    if (key.isEmpty() || MATCHES_DATA.matcher(key).matches()) {
      return key;
    } else {
      return "data[" + key + "]";
    }
  }
static String asDynamicKey ( String key ) { if ( key . isEmpty ( ) || MATCHES_DATA . matcher ( key ) . matches ( ) ) { return key ; } else { return "data[" + key + "]" ; } }
-- tools
-- tools