*
   * <p>Note that this always returns {@code -1} when {@code target} contains {@code NaN}.
   *
   * @param array the array to search for the sequence {@code target}
   * @param target the array to search for as a sub-sequence of {@code array}
   */
  public static int indexOf(double[] array, double[] target) {
    checkNotNull(array, "array");
    checkNotNull(target, "target");

        SuggestIndexResponse response = suggester.indexer().indexFromSearchWord(searchWord, fields, null, null, 1, null);

        assertNotNull(response);
        // Empty search word should result in no indexed items
        assertEquals(0, response.getNumberOfSuggestDocs());
    }

    @Test
    public void test_indexFromWhitespaceOnlySearchWord() throws Exception {

import org.lastaflute.di.core.exception.ComponentNotFoundException;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for document processing and manipulation in the Fess search system.
 * This class provides utilities for processing document content, titles, and digests,
 * handling text normalization, content extraction, and similar document hash encoding/decoding.

import org.dbflute.optional.OptionalEntity;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

/**
 * Parser for Google Search Appliance (GSA) configuration files.
 * This SAX-based parser reads GSA XML configuration files and converts them into
 * Fess configuration objects including web crawling configurations, file crawling

`+A.slice(f);else{if(T||d.replace(this.rules.other.tabCharGlobal,"    ").search(this.rules.other.nonSpaceChar)>=4||ee.test(d)||te.test(d)||Y.test(d))break;c+=`
`+h}T=!h.trim(),p+=H+`

          val staticIndex = NAME_TO_FIRST_INDEX[name]
          if (staticIndex != null) {
            headerNameIndex = staticIndex + 1
            if (headerNameIndex in 2..7) {
              // Only search a subset of the static header table. Most entries have an empty value, so
              // it's unnecessary to waste cycles looking at them. This check is built on the

   * i, i + target.length)} contains exactly the same elements as {@code target}.
   *
   * @param array the array to search for the sequence {@code target}
   * @param target the array to search for as a sub-sequence of {@code array}
   */
  public static int indexOf(long[] array, long[] target) {
    checkNotNull(array, "array");
    checkNotNull(target, "target");

// [Reader.ReadBytes] or ReadString instead.
// ReadSlice returns err != nil if and only if line does not end in delim.
func (b *Reader) ReadSlice(delim byte) (line []byte, err error) {
	s := 0 // search start index
	for {
		// Search buffer.
		if i := bytes.IndexByte(b.buf[b.r+s:b.w], delim); i >= 0 {
			i += s
			line = b.buf[b.r : b.r+i+1]
			b.r += i + 1
			break
		}

		// Pending error?
		if b.err != nil {

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()

      fun run() {
        val formBody = FormBody.Builder()
            .add("search", "Jurassic Park")
            .build()
        val request = Request.Builder()
            .url("https://en.wikipedia.org/w/index.php")
            .post(formBody)
            .build()

## Add regular expressions { #add-regular-expressions }

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

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