companion object {
    private const val TOKEN = "([a-zA-Z0-9-!#$%&'*+.^_`{|}~]+)"
    private const val QUOTED = "\"([^\"]*)\""
    private val TYPE_SUBTYPE = Regex("$TOKEN/$TOKEN")
    private val PARAMETER = Regex(";\\s*(?:$TOKEN=(?:$TOKEN|$QUOTED))?")

    /**
     * Returns a media type for this string.
     *
     * @throws IllegalArgumentException if this is not a well-formed media type.
     */

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;
import java.io.File;
import java.io.FilenameFilter;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

/**
 * File name filter that only accepts files matching a regular expression. This class is thread-safe
 * and immutable.
 *
 * @author Apple Chow
 * @since 1.0
 */

package okhttp3

import assertk.assertThat
import assertk.assertions.matches
import org.junit.jupiter.api.Test

class OkHttpTest {
  @Test
  fun testVersion() {
    assertThat(OkHttp.VERSION).matches(Regex("[0-9]+\\.[0-9]+\\.[0-9]+(-.+)?"))
  }

import gradlebuild.docs.model.ClassMetaDataRepository;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Converts a javadoc link into docbook.
 */
public class JavadocLinkConverter {

          "value": "$__all"
        },
        "label": "Data source",
        "name": "DS_PROMETHEUS",
        "options": [],
        "query": "prometheus",
        "refresh": 1,
        "regex": "",
        "type": "datasource"
      },
      {
        "current": {},
        "datasource": {
          "type": "prometheus",
          "uid": "${DS_PROMETHEUS}"
        },

            <property name='regex' value='^[A-Z][\$a-zA-Z0-9]*$'/>
        </rule-config>
        <rule-config name='FieldName'>
            <property name='finalRegex' value='^[a-z][a-zA-Z0-9]*$'/>
            <property name='staticFinalRegex' value='^logger$|^[A-Z][A-Z_0-9]*$|^serialVersionUID$'/>
        </rule-config>
        <rule-config name='MethodName'>
            <property name='regex' value='^[a-z][\$_a-zA-Z0-9]*$|^.*\s.*$'/>

            <property name='regex' value='^[A-Z][\$a-zA-Z0-9]*$'/>
        </rule-config>
        <rule-config name='FieldName'>
            <property name='finalRegex' value='^[a-z][a-zA-Z0-9]*$'/>
            <property name='staticFinalRegex' value='^logger$|^[A-Z][A-Z_0-9]*$|^serialVersionUID$'/>
        </rule-config>
        <rule-config name='MethodName'>
            <property name='regex' value='^[a-z][\$_a-zA-Z0-9]*$|^.*\s.*$'/>

  }

  /**
   * This is adapted from the regex suggested by {@link Double#valueOf(String)} for prevalidating
   * inputs. All valid inputs must pass this regex, but it's semantically fine if not all inputs
   * that pass this regex are valid -- only a performance hit is incurred, not a semantics bug.
   */
  @GwtIncompatible // regular expressions
  static final
  java.util.regex.Pattern
      FLOATING_POINT_PATTERN = fpPattern();

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, regex="^fixedquery$")
    ] = None,
):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})

      |--simple boundary
      |
      |abcd
      |--simple boundary
      |
      |efgh
      |--simple boundary--
      """.trimMargin()
        .replace("\n", "\r\n")
        .replace(Regex("(?m)abcd\r\n"), "abcd\n")

    val parts =
      MultipartReader(
        boundary = "simple boundary",
        source = Buffer().writeUtf8(multipart),
      )

    val part = parts.nextPart()!!