## Agregar expresiones regulares { #add-regular-expressions }

Puedes definir una <dfn title="Una expresión regular, regex o regexp es una secuencia de caracteres que define un patrón de búsqueda para strings.">expresión regular</dfn> `pattern` que el parámetro debe coincidir:

{* ../../docs_src/query_params_str_validations/tutorial004_an_py310.py hl[11] *}

 * high contention, expected throughput of this class is significantly higher, at the expense of
 * higher space consumption.
 *
 * <p>This class extends {@link Number}, but does not define methods such as {@code
 * equals}, {@code hashCode} and {@code compareTo} because instances are expected to be mutated, and
 * so are not useful as collection keys.
 *

  public boolean equals(@Nullable Object object) {
    return Multimaps.equalsImpl(this, object);
  }

  /**
   * Returns the hash code for this multimap.
   *
   * <p>The hash code of a multimap is defined as the hash code of the map view, as returned by
   * {@link Multimap#asMap}.
   *
   * @see Map#hashCode
   */
  @Override
  public int hashCode() {
    return asMap().hashCode();
  }

  /**

    assertThat(network.edges()).containsExactly("p", "i", "e").inOrder();
    assertThat(network.nodeOrder()).isEqualTo(unordered());
    assertThat(network.nodes()).containsExactly(4, 1, 3);
  }

  // Sorting of user-defined classes

  @Test
  public void customComparator() {
    Comparator<NonComparableSuperClass> comparator =
        (left, right) -> left.value.compareTo(right.value);

        SmbFilenameFilter filter = (dir, name) -> dir == null;

        boolean result = filter.accept(null, "anything");

        assertTrue(result, "Filter should accept when dir is null as defined");
    }

    /**
     * Exception flow: filter throws SmbException and it propagates to caller.
     */
    @Test
    @DisplayName("throws SmbException as declared by contract")

```

///

## Importe `Form` { #import-form }

Importe `Form` de `fastapi`:

{* ../../docs_src/request_forms/tutorial001_an_py310.py hl[3] *}

## Defina parâmetros de `Form` { #define-form-parameters }

Crie parâmetros de formulário da mesma forma que você faria para `Body` ou `Query`:

{* ../../docs_src/request_forms/tutorial001_an_py310.py hl[9] *}

```

///

## Importer `Form` { #import-form }

Importez `Form` depuis `fastapi` :

{* ../../docs_src/request_forms/tutorial001_an_py310.py hl[3] *}

## Définir les paramètres `Form` { #define-form-parameters }

Créez des paramètres de formulaire comme vous le feriez pour `Body` ou `Query` :

{* ../../docs_src/request_forms/tutorial001_an_py310.py hl[9] *}

```

**Note:** Execute the commands on all 4 nodes.

![Example-3](https://github.com/minio/minio/blob/master/docs/screenshots/Example-3.jpg?raw=true)

        if (otherProject.isPresent()) {
            throw new GradleException(
                String.format(
                    Locale.ROOT,
                    "Projects %s and %s both claim the %s service defined in the docker-compose.yml of "
                        + "%sThis is not supported because it breaks running in parallel. Configure dedicated "
                        + "services for each project and use those instead.",

   * #entriesDiffering()} of the two instances are equal.
   */
  @Override
  boolean equals(@Nullable Object object);

  /**
   * Returns the hash code for this instance. This is defined as the hash code of
   *
   * {@snippet :
   * Arrays.asList(entriesOnlyOnLeft(), entriesOnlyOnRight(),
   *     entriesInCommon(), entriesDiffering())
   * }
   */
  @Override
  int hashCode();

  /**