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Regular Expression "z" construct in Java
The subexpression/metacharacter “\z” matches the end of a string.
Example1
import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegexExample { public static void main( String args[] ) { String regex = "Tutorialspoint\z"; String input = "Hi how are you welcome to Tutorialspoint"; Pattern p = Pattern.compile(regex); Matcher m = p.matcher(input); int count = 0; while(m.find()) { count++; } System.out.println("Number of matches: "+count); } }
Output
Number of matches: 1
Example2
The following Java program verifies whether the given input text ends with a digit.
import java.util.regex.Matcher; import java.util.regex.Pattern; public class Data { public static void main( String args[] ) { String regex = "[0-9]\z"; String input = "Hi how are you \n this is sample text \n this is third line 554"; Pattern p = Pattern.compile(regex); Matcher m = p.matcher(input); if(m.find()) { System.out.println("Given input ends with a digit"); } else { System.out.println("Given input doesn’t end with a digit"); } } }
Output
Given input ends with a digit
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