借助Notepad++的自定义语言可以实现日志的按照不同级别的高亮；
参考： https://blog.csdn.net/commshare/article/details/131208656
在此基础上做了一点修改效果如下：
xml文件：
xml
<NotepadPlus>
<UserLang name="Ansible" ext="" udlVersion="2.1">
<Settings>
<Global caseIgnored="yes" allowFoldOfComments="no" foldCompact="no" forcePureLC="0" decimalSeparator="0" />
<Prefix Keywords1="yes" Keywords2="no" Keywords3="no" Keywords4="no" Keywords5="no" Keywords6="no" Keywords7="no" Keywords8="no" />
</Settings>
<KeywordLists>
<Keywords name="Comments">00Traceback 00ArithmeticError 00AssertionError 00AttributeError 00BaseException 00BlockingIOError 00BrokenPipeError 00BufferError 00ChildProcessError 00ConnectionAbortedError 00ConnectionError 00ConnectionRefusedError 00ConnectionResetError 00EOFError 00EnvironmentError 00Exception 00FileExistsError 00FileNotFoundError 00FloatingPointError 00GeneratorExit 00IOError 00ImportError 00IndentationError 00IndexError 00InterruptedError 00IsADirectoryError 00KeyError 00KeyboardInterrupt 00LookupError 00MemoryError 00ModuleNotFoundError 00NameError 00NotADirectoryError 00NotImplemented 00NotImplementedError 00OSError 00OverflowError 00PermissionError 00ProcessLookupError 00RecursionError 00ReferenceError 00RuntimeError 00StopAsyncIteration 00StopIteration 00SyntaxError 00SystemError 00SystemExit 00TabError 00TimeoutError 00TypeError 00UnboundLocalError 00UnicodeDecodeError 00UnicodeEncodeError 00UnicodeError 00UnicodeTranslateError 00ValueError 00WindowsError 00ZeroDivisionError</Keywords>
<Keywords name="Numbers">1 2 3 4 5 6 7 8 9 0</Keywords>
<Keywords name="Numbers, prefix2"></Keywords>
<Keywords name="Numbers, extras1"></Keywords>
<Keywords name="Numbers, extras2"></Keywords>
<Keywords name="Numbers, suffix1"></Keywords>
<Keywords name="Numbers, suffix2"></Keywords>
<Keywords name="Numbers, range"></Keywords>
<Keywords name="Operators1"></Keywords>
<Keywords name="Operators2"></Keywords>
<Keywords name="Folders in code1, open"></Keywords>
<Keywords name="Folders in code1, middle"></Keywords>
<Keywords name="Folders in code1, close"></Keywords>
<Keywords name="Folders in code2, open"></Keywords>
<Keywords name="Folders in code2, middle"></Keywords>
<Keywords name="Folders in code2, close"></Keywords>
<Keywords name="Folders in comment, open"></Keywords>
<Keywords name="Folders in comment, middle"></Keywords>
<Keywords name="Folders in comment, close"></Keywords>
<Keywords name="Keywords1">ok success successfully enable changed</Keywords>
<Keywords name="Keywords2">fail failed disable</Keywords>
<Keywords name="Keywords3"></Keywords>
<Keywords name="Keywords4"></Keywords>
<Keywords name="Keywords5"></Keywords>
<Keywords name="Keywords6"></Keywords>
<Keywords name="Keywords7"></Keywords>
<Keywords name="Keywords8"></Keywords>
<Keywords name="Delimiters">00trace 01 02
 03debug 04 05
 06info 07 08
 09warn 10 11
 12warning 13 14
 15error 16 17
 18CRITICAL 18 20
 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23</Keywords>
</KeywordLists>
<Styles>
<WordsStyle name="DEFAULT" fgColor="000000" bgColor="FFFFFF" colorStyle="0" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="COMMENTS" fgColor="FF80FF" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="1" nesting="0" />
<WordsStyle name="LINE COMMENTS" fgColor="FF0000" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="NUMBERS" fgColor="60FF8F" bgColor="FFFFFF" colorStyle="0" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="KEYWORDS1" fgColor="339933" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="1" nesting="0" />
<WordsStyle name="KEYWORDS2" fgColor="ff3333" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="1" nesting="0" />
<WordsStyle name="KEYWORDS3" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="KEYWORDS4" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="KEYWORDS5" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="KEYWORDS6" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="KEYWORDS7" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="KEYWORDS8" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="OPERATORS" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="FOLDER IN CODE1" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="FOLDER IN CODE2" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="FOLDER IN COMMENT" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="DELIMITERS1" fgColor="999999" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="DELIMITERS2" fgColor="6699cc" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="DELIMITERS3" fgColor="339933" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="1" nesting="0" />
<WordsStyle name="DELIMITERS4" fgColor="ff9933" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="1" nesting="0" />
<WordsStyle name="DELIMITERS5" fgColor="ff9933" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="1" nesting="0" />
<WordsStyle name="DELIMITERS6" fgColor="ff3333" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="1" nesting="0" />
<WordsStyle name="DELIMITERS7" fgColor="ff3333" bgColor="FFFFFF" colorStyle="1" fontName="" fontStyle="1" nesting="0" />
<WordsStyle name="DELIMITERS8" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
<WordsStyle name="DELIMITERS9" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" nesting="0" />
</Styles>
</UserLang>
</NotepadPlus>