Prism.languages.vbnet = Prism.languages.extend('basic', {
  comment: [
    {
      pattern: /(?:!|REM\b).+/i,
      inside: {
        keyword: /^REM/i,
      },
    },
    {
      pattern: /(^|[^\\:])'.*/,
      lookbehind: true,
      greedy: true,
    },
  ],
  string: {
    pattern: /(^|[^"])"(?:""|[^"])*"(?!")/,
    lookbehind: true,
    greedy: true,
  },
  keyword:
    /(?:\b(?:ADDHANDLER|ADDRESSOF|ALIAS|AND|ANDALSO|AS|BEEP|BLOAD|BOOLEAN|BSAVE|BYREF|BYTE|BYVAL|CALL(?: ABSOLUTE)?|CASE|CATCH|CBOOL|CBYTE|CCHAR|CDATE|CDBL|CDEC|CHAIN|CHAR|CHDIR|CINT|CLASS|CLEAR|CLNG|CLOSE|CLS|COBJ|COM|COMMON|CONST|CONTINUE|CSBYTE|CSHORT|CSNG|CSTR|CTYPE|CUINT|CULNG|CUSHORT|DATA|DATE|DECIMAL|DECLARE|DEF(?: FN| SEG|DBL|INT|LNG|SNG|STR)|DEFAULT|DELEGATE|DIM|DIRECTCAST|DO|DOUBLE|ELSE|ELSEIF|END|ENUM|ENVIRON|ERASE|ERROR|EVENT|EXIT|FALSE|FIELD|FILES|FINALLY|FOR(?: EACH)?|FRIEND|FUNCTION|GET|GETTYPE|GETXMLNAMESPACE|GLOBAL|GOSUB|GOTO|HANDLES|IF|IMPLEMENTS|IMPORTS|IN|INHERITS|INPUT|INTEGER|INTERFACE|IOCTL|IS|ISNOT|KEY|KILL|LET|LIB|LIKE|LINE INPUT|LOCATE|LOCK|LONG|LOOP|LSET|ME|MKDIR|MOD|MODULE|MUSTINHERIT|MUSTOVERRIDE|MYBASE|MYCLASS|NAME|NAMESPACE|NARROWING|NEW|NEXT|NOT|NOTHING|NOTINHERITABLE|NOTOVERRIDABLE|OBJECT|OF|OFF|ON(?: COM| ERROR| KEY| TIMER)?|OPEN|OPERATOR|OPTION(?: BASE)?|OPTIONAL|OR|ORELSE|OUT|OVERLOADS|OVERRIDABLE|OVERRIDES|PARAMARRAY|PARTIAL|POKE|PRIVATE|PROPERTY|PROTECTED|PUBLIC|PUT|RAISEEVENT|READ|READONLY|REDIM|REM|REMOVEHANDLER|RESTORE|RESUME|RETURN|RMDIR|RSET|RUN|SBYTE|SELECT(?: CASE)?|SET|SHADOWS|SHARED|SHELL|SHORT|SINGLE|SLEEP|STATIC|STEP|STOP|STRING|STRUCTURE|SUB|SWAP|SYNCLOCK|SYSTEM|THEN|THROW|TIMER|TO|TROFF|TRON|TRUE|TRY|TRYCAST|TYPE|TYPEOF|UINTEGER|ULONG|UNLOCK|UNTIL|USHORT|USING|VIEW PRINT|WAIT|WEND|WHEN|WHILE|WIDENING|WITH|WITHEVENTS|WRITE|WRITEONLY|XOR)|\B(?:#CONST|#ELSE|#ELSEIF|#END|#IF))(?:\$|\b)/i,
  punctuation: /[,;:(){}]/,
});