Difference between revisions of "Pattern Matching"
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+ | * Classes in the java.util.regex package provide regular expressions support. | ||
+ | * Basic example | ||
+ | <syntaxhighlight lang="java5"> | ||
+ | import java.util.regex.*; | ||
+ | |||
+ | public class RegexTest1 { | ||
+ | |||
+ | public static void main(String[] args) { | ||
+ | |||
+ | Pattern p = Pattern.compile("lazy"); //The pattern to search for | ||
+ | Matcher m = p.matcher("The quick brown fox jumps over the lazy dog"); //The source against which to match the pattern | ||
+ | boolean found = false; | ||
+ | while(m.find()) { | ||
+ | System.out.println("Match found at " + m.start() + "," + m.end()); | ||
+ | found = true; | ||
+ | } | ||
+ | |||
+ | if(!found) { | ||
+ | System.out.println("No match found"); | ||
+ | } | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | </syntaxhighlight> | ||
[[Category:OCPJP]] | [[Category:OCPJP]] |
Revision as of 08:56, 4 July 2011
- Classes in the java.util.regex package provide regular expressions support.
- Basic example
import java.util.regex.*;
public class RegexTest1 {
public static void main(String[] args) {
Pattern p = Pattern.compile("lazy"); //The pattern to search for
Matcher m = p.matcher("The quick brown fox jumps over the lazy dog"); //The source against which to match the pattern
boolean found = false;
while(m.find()) {
System.out.println("Match found at " + m.start() + "," + m.end());
found = true;
}
if(!found) {
System.out.println("No match found");
}
}
}