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Update article "Difference Between \z and \Z in a Regular Expression in Java" (#14151)

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This commit for "Update article "Difference Between \z and \Z in a Regular Expression in Java""
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Bahaa El-Din Helmy 2023-05-31 21:09:25 +03:00 committed by GitHub
parent b58c47df23
commit 02f497bf75
1 changed files with 55 additions and 7 deletions
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core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/z_regexp/ZRegularExpressionUnitTest.java
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@ -3,33 +3,81 @@ package com.baeldung.regex.z_regexp;
import org.junit.jupiter.api.Assertions; import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test; import org.junit.jupiter.api.Test;
import java.util.regex.Pattern;
public class ZRegularExpressionUnitTest { public class ZRegularExpressionUnitTest {
@Test @Test
public void givenCreditCardNumber_thenReturnIfMatched() { public void givenCreditCardNumber_thenReturnIfMatched() {
String creditCardNumber = "1234567890123456"; String creditCardNumber = "1234567890123456";
String creditCardNumber2 = "1234567890123456\n";
String pattern = "\\d{16}\\z"; String pattern = "\\d{16}\\z";
Assertions.assertTrue(creditCardNumber.matches(pattern)); Assertions.assertTrue(Pattern.compile(pattern).matcher(creditCardNumber).find());
Assertions.assertFalse(Pattern.compile(pattern).matcher(creditCardNumber2).find());
}
@Test
public void givenCreditCardNumber_thenReturnIfNotMatched() {
String creditCardNumber = "1234567890123456\n";
String pattern = "\\d{16}\\z";
Assertions.assertFalse(Pattern.compile(pattern).matcher(creditCardNumber).find());
} }
@Test @Test
public void givenLogOutput_thenReturnIfMatched() { public void givenLogOutput_thenReturnIfMatched() {
String logLine = "2022-05-01 14:30:00,123 INFO Some log message"; String logLine = "2022-05-01 14:30:00,123 INFO Some log message";
String pattern = ".*message\\z"; String pattern = ".*message\\z";
Assertions.assertTrue(logLine.matches(pattern)); Assertions.assertTrue(Pattern.compile(pattern).matcher(logLine).find());
} }
@Test
public void givenLogOutput_thenReturnIfNotMatched() {
String logLine = "2022-05-01 14:30:00,123 INFO Some log message\n";
String pattern = ".*message\\z";
Assertions.assertFalse(Pattern.compile(pattern).matcher(logLine).find());
}
@Test @Test
public void givenEmailMessage_thenReturnIfMatched() { public void givenEmailMessage_thenReturnIfMatched() {
String myMessage = "Hello HR, I hope i can write to Baeldung\n"; String myMessage = "Hello HR, I hope i can write to Baeldung\n";
String pattern = ".*Baeldung\\s*\\Z"; String myMessage2 = "Hello HR, I hope\n i can write to Baeldung";
Assertions.assertTrue(myMessage.matches(pattern)); String pattern = ".*Baeldung\\Z";
String pattern2 = ".*hope\\Z";
Assertions.assertTrue(Pattern.compile(pattern).matcher(myMessage).find());
Assertions.assertFalse(Pattern.compile(pattern2).matcher(myMessage2).find());
}
@Test
public void givenEmailMessage_thenReturnIfNotMatched() {
String myMessage = "Hello HR, I hope\n i can write to Baeldung";
String pattern = ".*hope\\Z";
Assertions.assertFalse(Pattern.compile(pattern).matcher(myMessage).find());
} }
@Test @Test
public void givenFileExtension_thenReturnIfMatched() { public void givenFileExtension_thenReturnIfMatched() {
String fileName = "image.jpeg"; String fileName = "image.jpeg\n";
String fileName2 = "image2.jpeg\n.png";
String pattern = ".*\\.jpeg\\Z"; String pattern = ".*\\.jpeg\\Z";
Assertions.assertTrue(fileName.matches(pattern)); Assertions.assertTrue(Pattern.compile(pattern).matcher(fileName).find());
Assertions.assertFalse(Pattern.compile(pattern).matcher(fileName2).find());
} }
} @Test
public void givenFileExtension_thenReturnIfNotMatched() {
String fileName = "image2.jpeg\n.png";
String pattern = ".*\\.jpeg\\Z";
Assertions.assertFalse(Pattern.compile(pattern).matcher(fileName).find());
}
@Test
public void givenURL_thenReturnIfMatched() {
String url = "https://www.example.com/api/endpoint\n";
String pattern = ".*/endpoint$";
Assertions.assertTrue(Pattern.compile(pattern).matcher(url).find());
}
@Test
public void givenSentence_thenReturnIfMatched() {
String sentence = "Hello, how are you?";
String pattern = ".*[.?!]$";
Assertions.assertTrue(Pattern.compile(pattern).matcher(sentence).find());
}
}