src/java.base/share/classes/java/util/regex/ASCII.java

rev 56177 : [mq]: 8230365-Pattern-for-a-control-char-matches-non-control-characters

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 2000, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 257,266 ****
--- 257,270 ----
  
      static boolean isWord(int ch) {
          return isType(ch, WORD);
      }
  
+     static boolean isCntrlId(int ch) {
+         return ((ch-0x3f)|(0x5f-ch)) >= 0;
+     }
+ 
      static int toDigit(int ch) {
          return (ctype[ch & 0x7F] & 0x3F);
      }
  
      static int toLower(int ch) {