Matcher reset() method in Java with Examples
The reset() method of Matcher Class is used to reset this matcher.
Syntax:
public Matcher reset()
Parameters: This method do not takes any parameter.
Return Value: This method returns this Matcher after being reset.
Below examples illustrate the Matcher.reset() method:
Example 1:
// Java code to illustrate reset() method import java.util.regex.*; public class GFG { public static void main(String[] args) { // Get the regex to be checked String regex = "Geeks"; // Create a pattern from regex Pattern pattern = Pattern.compile(regex); // Get the String to be matched String stringToBeMatched = "GeeksForGeeks"; // Create a matcher for the input String Matcher matcher = pattern.matcher(stringToBeMatched); // Reset the Matcher using reset() method matcher = matcher.reset(); // Get the current matcher state System.out.println(matcher.toMatchResult()); } } |
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Output:
java.util.regex.Matcher[pattern=Geeks region=0, 13 lastmatch=]
Example 2:
// Java code to illustrate reset() method import java.util.regex.*; public class GFG { public static void main(String[] args) { // Get the regex to be checked String regex = "GFG"; // Create a pattern from regex Pattern pattern = Pattern.compile(regex); // Get the String to be matched String stringToBeMatched = "GFGFGFGFGFGFGFGFGFG"; // Create a matcher for the input String Matcher matcher = pattern.matcher(stringToBeMatched); // Reset the Matcher using reset() method matcher = matcher.reset(); // Get the current matcher state System.out.println(matcher.toMatchResult()); } } |
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Output:
java.util.regex.Matcher[pattern=GFG region=0, 19 lastmatch=]
Reference: Oracle Doc
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