// limitations under the License.

package proxyconfig

import (
	"bytes"
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"os"
	"regexp"
	"strings"

	"github.com/hashicorp/go-multierror"
	"github.com/spf13/cobra"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"sigs.k8s.io/yaml"

	"istio.io/istio/istioctl/pkg/cli"

///

```Python hl_lines="10"
{!> ../../docs_src/query_params_str_validations/tutorial003.py!}
```

////

## Add regular expressions

You can define a <abbr title="A regular expression, regex or regexp is a sequence of characters that define a search pattern for strings.">regular expression</abbr> `pattern` that the parameter should match:

//// tab | Python 3.10+

```Python hl_lines="11"

	github.com/google/btree v1.1.2 // indirect
	github.com/google/gnostic-models v0.6.8 // indirect
	github.com/google/pprof v0.0.0-20240827171923-fa2c70bbbfe5 // indirect
	github.com/grafana/regexp v0.0.0-20240518133315-a468a5bfb3bc // indirect
	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect
	github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0 // indirect

			}
			return anonCmdLine
		}

		// Server start command regex groups:
		// 1 - minio server
		// 2 - flags e.g. `--address :9000 --certs-dir /etc/minio/certs`
		// 3 - pool args e.g. `https://node{01...16}.domain/data/disk{001...204} https://node{17...32}.domain/data/disk{001...204}`
		re := regexp.MustCompile(`^(.*minio\s+server\s+)(--[^\s]+\s+[^\s]+\s+)*(.*)`)

{\n      return Boolean(SAFE_URL_PATTERN.test(attr.nodeValue) || DATA_URL_PATTERN.test(attr.nodeValue))\n    }\n\n    return true\n  }\n\n  const regExp = allowedAttributeList.filter(attrRegex => attrRegex instanceof RegExp)\n\n  // Check if a regular expression validates the attribute.\n  for (let i = 0, len = regExp.length; i < len; i++) {\n    if (regExp[i].test(attrName)) {\n      return true\n    }\n  }\n\n  return false\n}\n\nexport function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {\n...

return Boolean(attr.nodeValue.match(SAFE_URL_PATTERN) || attr.nodeValue.match(DATA_URL_PATTERN))\n    }\n\n    return true\n  }\n\n  const regExp = allowedAttributeList.filter((attrRegex) => attrRegex instanceof RegExp)\n\n  // Check if a regular expression validates the attribute.\n  for (let i = 0, l = regExp.length; i < l; i++) {\n    if (attrName.match(regExp[i])) {\n      return true\n    }\n  }\n\n  return false\n}\n\nexport function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {\n  if (unsafeHtml.length...

         */
        private static String[] parseProperty(String line) {
            // sorry for this spaghetti code, please replace it as soon as
            // possible with a regexp when the Java 1.3 requirement is dropped

            String[] result = new String[2];
            StringBuilder key = new StringBuilder();
            StringBuilder value = new StringBuilder();

searchValue = $(SELECTOR_SEARCH_INPUT).val().toLowerCase()\n      const regExp = new RegExp(searchValue, 'gi')\n\n      if (this.options.highlightName) {\n        name = name.replace(\n          regExp,\n          str => {\n            return `<strong class=\"${this.options.highlightClass}\">${str}</strong>`\n          }\n        )\n      }\n\n      if (this.options.highlightPath) {\n        path = path.replace(\n          regExp,\n          str => {\n            return `<strong class=\"${this.opti...

///

```Python hl_lines="10"
{!> ../../docs_src/query_params_str_validations/tutorial003.py!}
```

////

## Регулярные выражения

Вы можете определить <abbr title="Регулярное выражение, regex или regexp - это последовательность символов, определяющая шаблон для строк.">регулярное выражение</abbr>, которому должен соответствовать параметр:

//// tab | Python 3.10+

```Python hl_lines="11"

```Python hl_lines="10"
{!> ../../docs_src/query_params_str_validations/tutorial003.py!}
```

////

## Reguläre Ausdrücke hinzufügen

Sie können einen <abbr title="Ein regulärer Ausdruck, auch regex oder regexp genannt, ist eine Zeichensequenz, die ein Suchmuster für Strings definiert.">Regulären Ausdruck</abbr> `pattern` definieren, mit dem der Parameter übereinstimmen muss:

//// tab | Python 3.10+

```Python hl_lines="11"