Ytdyklly

/**

 * A case-insensitive search on a sentence to find whether a given word can be found in it. It

 * keeps certain punctuation in mind.

 *

 * @param  aSentence An array of words forming a sentence. Cannot be {@code null}.

 * @param  aWord     The word to search for. Cannot be {@code null}.

 *

 * @return {@code true} if the word appeared at least once in the sentence, {@code false}

 *         otherwise.

 */

public boolean sentenceContainsWord(final String aSentence, String aWord)

{

  // The search is case-insensitive

  aWord = aWord.toLowerCase();



  // Loop through the words in the sentence

  for (int i = 0; i < aSentence.length; i++)

  {

    String sentenceWord = aSentence[i];



    // If the word in the sentence matches, return immediately

    if (sentenceWord.toLowerCase().equals(aWord))

    {

      return true;

    }



    // The word could end with punctuation like a comma or a dot

    int lastSentenceWordIndex = sentenceWord.length() - 1;

    String lastCharacter = Character.toString(sentenceWord.charAt(lastSentenceWordIndex));

    if (lastCharacter.matches("[.,:;]") && sentenceWord.substring(0, lastSentenceWordIndex).equals(aWord))

    {

      return true;

    }

  }



  return false;

}

/**

 * A case-insensitive search on a sentence to find whether a given word can be found in it. It

 * keeps certain punctuation in mind.

 *

 * @param  aSentence An array of words forming a sentence. Cannot be {@code null}.

 * @param  aWord     The word to search for. Cannot be {@code null}.

 *

 * @return {@code true} if the word appeared at least once in the sentence, {@code false}

 *         otherwise.

 */

public boolean sentenceContainsWord(final String aSentence, String aWord)

{

  // The search is case-insensitive

  aWord = aWord.toLowerCase();



  // Loop through the words in the sentence

  for (int i = 0; i < aSentence.length; i++)

  {

    String sentenceWord = aSentence[i];



    // If the word in the sentence matches, return immediately

    if (sentenceWord.toLowerCase().equals(aWord))

    {

      return true;

    }



    // The word could end with punctuation like a comma or a dot

    int lastSentenceWordIndex = sentenceWord.length() - 1;

    String lastCharacter = Character.toString(sentenceWord.charAt(lastSentenceWordIndex));

    if (lastCharacter.matches("[.,:;]") && sentenceWord.substring(0, lastSentenceWordIndex).equals(aWord))

    {

      return true;

    }

  }



  return false;

}

/**

 * A case-insensitive search on a sentence to find whether a given word can be found in it. It

 * keeps certain punctuation in mind.

 *

 * @param  aSentence An array of words forming a sentence. Cannot be {@code null}.

 * @param  aWord     The word to search for. Cannot be {@code null}.

 *

 * @return {@code true} if the word appeared at least once in the sentence, {@code false}

 *         otherwise.

 */

public boolean sentenceContainsWord(final String aSentence, String aWord)

{

  // The search is case-insensitive

  aWord = aWord.toLowerCase();



  // Loop through the words in the sentence

  for (int i = 0; i < aSentence.length; i++)

  {

    String sentenceWord = aSentence[i];



    // If the word in the sentence matches, return immediately

    if (sentenceWord.toLowerCase().equals(aWord))

    {

      return true;

    }



    // The word could end with punctuation like a comma or a dot

    int lastSentenceWordIndex = sentenceWord.length() - 1;

    String lastCharacter = Character.toString(sentenceWord.charAt(lastSentenceWordIndex));

    if (lastCharacter.matches("[.,:;]") && sentenceWord.substring(0, lastSentenceWordIndex).equals(aWord))

    {

      return true;

    }

  }



  return false;

}

/**

 * A case-insensitive search on a sentence to find whether a given word can be found in it. It

 * keeps certain punctuation in mind.

 *

 * @param  aSentence An array of words forming a sentence. Cannot be {@code null}.

 * @param  aWord     The word to search for. Cannot be {@code null}.

 *

 * @return {@code true} if the word appeared at least once in the sentence, {@code false}

 *         otherwise.

 */

public boolean sentenceContainsWord(final String aSentence, String aWord)

{

  // The search is case-insensitive

  aWord = aWord.toLowerCase();



  // Loop through the words in the sentence

  for (int i = 0; i < aSentence.length; i++)

  {

    String sentenceWord = aSentence[i];



    // If the word in the sentence matches, return immediately

    if (sentenceWord.toLowerCase().equals(aWord))

    {

      return true;

    }



    // The word could end with punctuation like a comma or a dot

    int lastSentenceWordIndex = sentenceWord.length() - 1;

    String lastCharacter = Character.toString(sentenceWord.charAt(lastSentenceWordIndex));

    if (lastCharacter.matches("[.,:;]") && sentenceWord.substring(0, lastSentenceWordIndex).equals(aWord))

    {

      return true;

    }

  }



  return false;

}

Your Answer

StackExchange.ifUsing("editor", function () {
return StackExchange.using("mathjaxEditing", function () {
StackExchange.MarkdownEditor.creationCallbacks.add(function (editor, postfix) {
StackExchange.mathjaxEditing.prepareWmdForMathJax(editor, postfix, [["\$", "\$"]]);
});
});
}, "mathjax-editing");

StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");

StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "196"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});

function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});


}
});