[JAVA-33592] Created new module core-java-string-operations-9 and moved code from core-java-string-operations-7 (#16364)
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panos-kakos
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@ -13,4 +13,4 @@ This module contains articles about string operations.
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- [Encode a String to UTF-8 in Java](https://www.baeldung.com/java-string-encode-utf-8)
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- [Guide to Character Encoding](https://www.baeldung.com/java-char-encoding)
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- [Convert Hex to ASCII in Java](https://www.baeldung.com/java-convert-hex-to-ascii)
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- More articles: [[<-- prev]](../core-java-string-operations)
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- More articles: [[<-- prev]](../core-java-string-operations) [[next -->]](../core-java-string-operations-3)
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@ -10,3 +10,5 @@
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- [Remove Beginning and Ending Double Quotes from a String](https://www.baeldung.com/java-remove-start-end-double-quote)
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- [Splitting a Java String by Multiple Delimiters](https://www.baeldung.com/java-string-split-multiple-delimiters)
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- [Split a String Only on the First Occurrence of Delimiter](https://www.baeldung.com/java-split-string-first-delimiter)
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- More articles: [[<-- prev]](../core-java-string-operations-2) [[next -->]](../core-java-string-operations-4)
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@ -10,3 +10,4 @@
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- [How to Truncate a String in Java](https://www.baeldung.com/java-truncating-strings)
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- [Remove Whitespace From a String in Java](https://www.baeldung.com/java-string-remove-whitespace)
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- [Named Placeholders in String Formatting](https://www.baeldung.com/java-string-formatting-named-placeholders)
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- More articles: [[<-- prev]](../core-java-string-operations-3) [[next -->]](../core-java-string-operations-5)
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@ -11,3 +11,4 @@
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- [Check if the First Letter of a String Is a Number](https://www.baeldung.com/java-check-if-string-starts-with-number)
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- [Print “” Quotes Around a String in Java](https://www.baeldung.com/java-string-print-quotes)
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- [Remove Punctuation From a String in Java](https://www.baeldung.com/java-remove-punctuation-from-string)
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- More articles: [[<-- prev]](../core-java-string-operations-4) [[next -->]](../core-java-string-operations-6)
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@ -11,3 +11,4 @@
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- [Check if a String Has All Unique Characters in Java](https://www.baeldung.com/java-check-string-all-unique-chars)
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- [Performance Comparison Between Different Java String Concatenation Methods](https://www.baeldung.com/java-string-concatenation-methods)
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- [Replacing Single Quote with \’ in Java String](https://www.baeldung.com/java-replacing-single-quote-string)
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- More articles: [[<-- prev]](../core-java-string-operations-5) [[next -->]](../core-java-string-operations-7)
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@ -2,17 +2,12 @@
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### Relevant Articles:
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- [How to Center Text Output in Java](https://www.baeldung.com/java-center-text-output)
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- [Capitalize the First Letter of Each Word in a String](https://www.baeldung.com/java-string-initial-capital-letter-every-word)
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- [Check if a String Contains Only Unicode Letters](https://www.baeldung.com/java-string-all-unicode-characters)
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- [Create a “Mutable” String in Java](https://www.baeldung.com/java-mutable-string)
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- [Check if a String Contains a Number Value in Java](https://www.baeldung.com/java-string-number-presence)
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- [Difference Between String isEmpty() and isBlank()](https://www.baeldung.com/java-string-isempty-vs-isblank)
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- [String’s Maximum Length in Java](https://www.baeldung.com/java-strings-maximum-length)
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- [Java’s String.length() and String.getBytes().length](https://www.baeldung.com/java-string-length-vs-getbytes-length)
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- [Replace Non-Printable Unicode Characters in Java](https://www.baeldung.com/java-replace-non-printable-unicode-characters)
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- [Check If a Java StringBuilder Object Contains a Character](https://www.baeldung.com/java-check-stringbuilder-object-contains-character)
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- [Comparing One String With Multiple Values in One Expression in Java](https://www.baeldung.com/java-compare-string-multiple-values-one-expression)
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- [UTF-8 Validation in Java](https://www.baeldung.com/java-utf-8-validation)
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- [Simple Morse Code Translation in Java](https://www.baeldung.com/java-morse-code-english-translate)
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- [How to Determine if a String Contains Invalid Encoded Characters](https://www.baeldung.com/java-check-string-contains-invalid-encoded-characters)
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- [Regular Expression for Password Validation in Java](https://www.baeldung.com/java-regex-password-validation)
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- [Mask an Email Address and Phone Number in Java](https://www.baeldung.com/java-mask-email-address-phone-number)
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- More articles: [[<-- prev]](../core-java-string-operations-6) [[next -->]](../core-java-string-operations-8)
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@ -24,36 +24,10 @@
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<artifactId>commons-text</artifactId>
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<version>${commons-text.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.tika</groupId>
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<artifactId>tika-core</artifactId>
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<version>${apache.tika.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.tika</groupId>
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<artifactId>tika-parsers-standard-package</artifactId>
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<version>${apache.tika.version}</version>
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</dependency>
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<dependency>
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<groupId>com.ibm.icu</groupId>
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<artifactId>icu4j</artifactId>
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<version>${icu4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-collections4</artifactId>
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<version>${apache.commons.collection.version}</version>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter</artifactId>
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<version>5.8.1</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.13.2</version>
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</dependency>
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</dependencies>
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@ -71,8 +45,7 @@
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</build>
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<properties>
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<maven.compiler.source>11</maven.compiler.source>
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<maven.compiler.target>11</maven.compiler.target>
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<apache.commons.lang3.version>3.13.0</apache.commons.lang3.version>
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<apache.commons.collection.version>4.4</apache.commons.collection.version>
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<apache.tika.version>2.9.1</apache.tika.version>
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@ -10,3 +10,7 @@
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- [Converting UTF-8 to ISO-8859-1 in Java](https://www.baeldung.com/java-utf-8-iso-8859-1-conversion)
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- [Get Last n Characters From a String](https://www.baeldung.com/java-string-get-last-n-characters)
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- [Find the Length of the Longest Symmetric Substring](https://www.baeldung.com/java-find-length-longest-symmetric-substring)
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- More articles: [[<-- prev]](../core-java-string-operations-7) [[next -->]](../core-java-string-operations-9)
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@ -0,0 +1,9 @@
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### Relevant Articles:
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- [Check if a String Contains Only Unicode Letters](https://www.baeldung.com/java-string-all-unicode-characters)
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- [Difference Between String isEmpty() and isBlank()](https://www.baeldung.com/java-string-isempty-vs-isblank)
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- [Replace Non-Printable Unicode Characters in Java](https://www.baeldung.com/java-replace-non-printable-unicode-characters)
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- [UTF-8 Validation in Java](https://www.baeldung.com/java-utf-8-validation)
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- [Simple Morse Code Translation in Java](https://www.baeldung.com/java-morse-code-english-translate)
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- [How to Determine if a String Contains Invalid Encoded Characters](https://www.baeldung.com/java-check-string-contains-invalid-encoded-characters)
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- More articles: [[<-- prev]](../core-java-string-operations-8)
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70
core-java-modules/core-java-string-operations-9/pom.xml
Normal file
70
core-java-modules/core-java-string-operations-9/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>core-java-string-operations-9</artifactId>
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<packaging>jar</packaging>
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<name>core-java-string-operations-9</name>
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<parent>
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<groupId>com.baeldung.core-java-modules</groupId>
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<artifactId>core-java-modules</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-lang3</artifactId>
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<version>${apache.commons.lang3.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-text</artifactId>
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<version>${commons-text.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.tika</groupId>
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<artifactId>tika-core</artifactId>
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<version>${apache.tika.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.tika</groupId>
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<artifactId>tika-parsers-standard-package</artifactId>
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<version>${apache.tika.version}</version>
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</dependency>
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<dependency>
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<groupId>com.ibm.icu</groupId>
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<artifactId>icu4j</artifactId>
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<version>${icu4j.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-collections4</artifactId>
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<version>${apache.commons.collection.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<source>${maven.compiler.source}</source>
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<target>${maven.compiler.target}</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<properties>
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<apache.commons.lang3.version>3.13.0</apache.commons.lang3.version>
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<apache.commons.collection.version>4.4</apache.commons.collection.version>
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<apache.tika.version>2.9.1</apache.tika.version>
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<commons-text.version>1.10.0</commons-text.version>
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<icu4j.version>74.1</icu4j.version>
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</properties>
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</project>
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@ -1,33 +1,33 @@
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package com.baeldung.checkifstringcontainsinvalidcharacters;
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import org.junit.jupiter.api.Test;
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import java.nio.charset.*;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import static org.junit.jupiter.api.Assertions.*;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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public class CheckIfStringContainsInvalidEncodedCharactersUnitTest {
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public String input = "HÆllo, World!";
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@Test
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public void givenInputString_whenUsingRegexPattern_thenFindIfInvalidCharacters() {
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String regexPattern = "[^\\x00-\\x7F]+";
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Pattern pattern = Pattern.compile(regexPattern);
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Matcher matcher = pattern.matcher(input);
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assertTrue(matcher.find());
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}
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@Test
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public void givenInputString_whenUsingStringEncoding_thenFindIfInvalidCharacters() {
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byte[] bytes = input.getBytes(StandardCharsets.UTF_8);
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boolean found = false;
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for (byte b : bytes) {
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found = (b & 0xFF) > 127 ? true : found;
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}
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assertTrue(found);
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}
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}
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package com.baeldung.checkifstringcontainsinvalidcharacters;
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import org.junit.jupiter.api.Test;
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import java.nio.charset.*;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import static org.junit.jupiter.api.Assertions.*;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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public class CheckIfStringContainsInvalidEncodedCharactersUnitTest {
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public String input = "HÆllo, World!";
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@Test
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public void givenInputString_whenUsingRegexPattern_thenFindIfInvalidCharacters() {
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String regexPattern = "[^\\x00-\\x7F]+";
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Pattern pattern = Pattern.compile(regexPattern);
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Matcher matcher = pattern.matcher(input);
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assertTrue(matcher.find());
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}
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@Test
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public void givenInputString_whenUsingStringEncoding_thenFindIfInvalidCharacters() {
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byte[] bytes = input.getBytes(StandardCharsets.UTF_8);
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boolean found = false;
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for (byte b : bytes) {
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found = (b & 0xFF) > 127 ? true : found;
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}
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assertTrue(found);
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}
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}
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@ -1,39 +1,39 @@
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package com.baeldung.replacenonprintablecharacters;
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import org.junit.jupiter.api.Test;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class ReplaceNonPrintableCharsUnitTest {
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@Test
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public void givenTextWithNonPrintableChars_whenUsingRegularExpression_thenGetSanitizedText() {
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String originalText = "\n\nWelcome \n\n\n\tto Baeldung!\n\t";
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String expected = "Welcome to Baeldung!";
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String regex = "[\\p{C}]";
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(originalText);
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String sanitizedText = matcher.replaceAll("");
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assertEquals(expected, sanitizedText);
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}
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@Test
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public void givenTextWithNonPrintableChars_whenCustomImplementation_thenGetSanitizedText() {
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String originalText = "\n\nWelcome \n\n\n\tto Baeldung!\n\t";
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String expected = "Welcome to Baeldung!";
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StringBuilder strBuilder = new StringBuilder();
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originalText.codePoints().forEach((i) -> {
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if (i >= 32 && i != 127) {
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strBuilder.append(Character.toChars(i));
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}
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});
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assertEquals(expected, strBuilder.toString());
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}
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}
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package com.baeldung.replacenonprintablecharacters;
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import org.junit.jupiter.api.Test;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class ReplaceNonPrintableCharsUnitTest {
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@Test
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public void givenTextWithNonPrintableChars_whenUsingRegularExpression_thenGetSanitizedText() {
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String originalText = "\n\nWelcome \n\n\n\tto Baeldung!\n\t";
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String expected = "Welcome to Baeldung!";
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String regex = "[\\p{C}]";
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(originalText);
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String sanitizedText = matcher.replaceAll("");
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assertEquals(expected, sanitizedText);
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}
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@Test
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public void givenTextWithNonPrintableChars_whenCustomImplementation_thenGetSanitizedText() {
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String originalText = "\n\nWelcome \n\n\n\tto Baeldung!\n\t";
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String expected = "Welcome to Baeldung!";
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StringBuilder strBuilder = new StringBuilder();
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originalText.codePoints().forEach((i) -> {
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if (i >= 32 && i != 127) {
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strBuilder.append(Character.toChars(i));
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}
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});
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assertEquals(expected, strBuilder.toString());
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}
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}
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@ -205,6 +205,7 @@
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<module>core-java-string-operations-6</module>
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<module>core-java-string-operations-7</module>
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<module>core-java-string-operations-8</module>
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<module>core-java-string-operations-9</module>
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<module>core-java-regex</module>
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<module>core-java-regex-2</module>
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<module>core-java-regex-3</module>
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