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  1. import java.util.*;
  2. import java.util.regex.*;
  3. import java.util.stream.Collectors;
  4.  
  5. class Ideone {
  6. 	public static void main(String[] args) {
  7. 		Map<String, String> mappings = new HashMap<>();
  8. 		mappings.put("ck","k");
  9. 		mappings.put("dd","wr");
  10. 		mappings.put("f", "m");
  11. 		System.out.println(replace("odd flock", mappings)); // prints: owr mlok
  12. 	}
  13. 	private static String replace(String input, Map<String, String> mappings) {
  14. 		StringBuffer buf = new StringBuffer();
  15. 		Matcher m = Pattern.compile(toRegex(mappings.keySet())).matcher(input);
  16. 		while (m.find())
  17. 			m.appendReplacement(buf, Matcher.quoteReplacement(mappings.get(m.group())));
  18. 		return m.appendTail(buf).toString();
  19. 	}
  20. 	private static String toRegex(Collection<String> keys) {
  21. 		return keys.stream().map(Pattern::quote).collect(Collectors.joining("|"));
  22. 	}
  23. }
Success #stdin #stdout 0.15s 4386816KB
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Standard input is empty
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owr mlok
https://ideone.com/DlGOTD
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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