* either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.es.config.exbhv;

import java.util.regex.Pattern;

import org.codelibs.fess.es.config.bsbhv.BsWebConfigBhv;
import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class WebConfigBhv extends BsWebConfigBhv {

```

////

## 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"
{!> ../../docs_src/query_params_str_validations/tutorial004_an_py310.py!}
```

////

                        "grant_type": IsDict(
                            {
                                "title": "Grant Type",
                                "anyOf": [
                                    {"pattern": "password", "type": "string"},
                                    {"type": "null"},
                                ],
                            }
                        )
                        | IsDict(

        private
        val isoTimestampFormat = newSimpleDateFormatUTC("yyyy-MM-dd HH:mm:ss z")

        private
        fun newSimpleDateFormatUTC(pattern: String) = SimpleDateFormat(pattern).apply {
            timeZone = TimeZone.getTimeZone("UTC")
        }

        fun readBuildReceiptFromString(buildReceipt: String) =
            Properties().apply { load(buildReceipt.reader()) }

            throw new DictionaryException("Failed to parse " + path, e);
        }
    }

    protected void reload(final StemmerOverrideUpdater updater, final InputStream in) {
        final Pattern parsePattern = Pattern.compile("(.*)\\s*=>\\s*(.*)\\s*$");
        final List<StemmerOverrideItem> itemList = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, Constants.UTF_8))) {

	if !ok {
		err := errLikeNonStrArg
		return nil, errLikeInvalidInputs(err)
	}

	pattern, err1 := e.Pattern.evalNode(r, tableAlias)
	if err1 != nil {
		return nil, err1
	}

	// Infer pattern as string (in case it is untyped)
	inferTypeAsString(pattern)

	patternStr, ok := pattern.ToString()
	if !ok {
		err := errLikeNonStrArg
		return nil, errLikeInvalidInputs(err)
	}

{
  "resources": [
    {"pattern": "okcurl-version.properties"}
  ]

from typing import Annotated

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(
    q: Annotated[
        str | None, Query(min_length=3, max_length=50, pattern="^fixedquery$")
    ] = None,
):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})

ral")||"0",j=c.valAttr("require-length")||"0",k={"uc-letter":{pattern:"^(?=(?:.*[A-Z]){"+f+",}).+",numRequired:f,dialogEnd:e.passwordComplexityUppercaseInfo},"lc-letter":{pattern:"^(?=(?:.*[a-z]){"+g+",}).+",numRequired:g,dialogEnd:e.passwordComplexityLowercaseInfo},"special-char":{pattern:"^(?=(?:.*(_|[!\"#$%&'()*+\\\\,-./:;<=>?@[\\]^_`{|}~])){"+h+",}).+",numRequired:h,dialogEnd:e.passwordComplexitySpecialCharsInfo},numeral:{pattern:"^(?=(?:.*\\d){"+i+",}).+",numRequired:i,dialogEnd:e.passwordC...

from typing import Union

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(
    q: Union[str, None] = Query(
        default=None, min_length=3, max_length=50, pattern="^fixedquery$"
    ),
):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})