Created
December 3, 2020 13:51
-
-
Save lawrenceching/f9ae43c88964bab056a04dad05fd680e to your computer and use it in GitHub Desktop.
How to match same pattern for multiple times
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package me.imlc.one; | |
import java.util.regex.Matcher; | |
import java.util.regex.Pattern; | |
import org.junit.jupiter.api.Test; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
public class RegExpTest { | |
private Logger logger = LoggerFactory.getLogger(RegExpTest.class); | |
@Test | |
void oneGroup_MultipleTimes() { | |
Pattern pattern = Pattern.compile("<[^>]*>"); | |
Matcher matcher = pattern.matcher("<A>, <B>, <C>"); | |
while(matcher.find()) { | |
logger.info("Found {}", matcher.group()); | |
} | |
} | |
@Test | |
void oneGroup_MultipleTimes_DoubleQuote() { | |
Pattern pattern = Pattern.compile("\"[^\"*]\""); | |
Matcher matcher = pattern.matcher("\"A\" - \"B\" - \"C\""); | |
while(matcher.find()) { | |
logger.info("Found {}", matcher.group()); | |
} | |
} | |
@Test | |
void multipleGroup() { | |
Pattern pattern = Pattern.compile("key=(.+), value=(.+)"); | |
Matcher matcher = pattern.matcher("key=name, value=Alice"); | |
while(matcher.find()) { | |
logger.info("Found {}", matcher.group()); | |
} | |
} | |
@Test | |
void namedGroup_multipleTimes() { | |
Pattern pattern = Pattern.compile("key=(?<name>.+), value=(?<value>.+)"); | |
Matcher matcher = pattern.matcher( | |
"key=name, value=Alice\n" | |
+ "key=id, value=213159"); | |
while(matcher.find()) { | |
logger.info("Found {}: {}}", matcher.group("name"), matcher.group("value")); | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment