https://logging.apache.org/log4j/2.x/log4j-core/: The Apache Log4j Implementation (The Apache Software Foundation)
  • Ralph Goers (Nextiva)
  • Gary Gregory (Rocket Software)
  • Scott Deboy
  • Remko Popma
  • Nick Williams
  • Matt Sicker (Independent Consultant)
  • Bruce Brouwer
  • Mikael Ståldal (Spotify) 
public final class org.apache.logging.log4j.core.filter.RegexFilter extends org.apache.logging.log4j.core.filter.AbstractFilter
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.logging.log4j.core.filter.RegexFilter
  super_class: org.apache.logging.log4j.core.filter.AbstractFilter
{
  private static final int DEFAULT_PATTERN_FLAGS;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  private final java.util.regex.Pattern pattern;
    descriptor: Ljava/util/regex/Pattern;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final boolean useRawMessage;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private void <init>(boolean, java.util.regex.Pattern, org.apache.logging.log4j.core.Filter$Result, org.apache.logging.log4j.core.Filter$Result);
    descriptor: (ZLjava/util/regex/Pattern;Lorg/apache/logging/log4j/core/Filter$Result;Lorg/apache/logging/log4j/core/Filter$Result;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=5
        start local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
        start local 1 // boolean raw
        start local 2 // java.util.regex.Pattern pattern
        start local 3 // org.apache.logging.log4j.core.Filter$Result onMatch
        start local 4 // org.apache.logging.log4j.core.Filter$Result onMismatch
         0: .line 52
            aload 0 /* this */
            aload 3 /* onMatch */
            aload 4 /* onMismatch */
            invokespecial org.apache.logging.log4j.core.filter.AbstractFilter.<init>:(Lorg/apache/logging/log4j/core/Filter$Result;Lorg/apache/logging/log4j/core/Filter$Result;)V
         1: .line 53
            aload 0 /* this */
            aload 2 /* pattern */
            putfield org.apache.logging.log4j.core.filter.RegexFilter.pattern:Ljava/util/regex/Pattern;
         2: .line 54
            aload 0 /* this */
            iload 1 /* raw */
            putfield org.apache.logging.log4j.core.filter.RegexFilter.useRawMessage:Z
         3: .line 55
            return
        end local 4 // org.apache.logging.log4j.core.Filter$Result onMismatch
        end local 3 // org.apache.logging.log4j.core.Filter$Result onMatch
        end local 2 // java.util.regex.Pattern pattern
        end local 1 // boolean raw
        end local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Lorg/apache/logging/log4j/core/filter/RegexFilter;
            0    4     1         raw  Z
            0    4     2     pattern  Ljava/util/regex/Pattern;
            0    4     3     onMatch  Lorg/apache/logging/log4j/core/Filter$Result;
            0    4     4  onMismatch  Lorg/apache/logging/log4j/core/Filter$Result;
    MethodParameters:
            Name  Flags
      raw         final
      pattern     final
      onMatch     final
      onMismatch  final

  public org.apache.logging.log4j.core.Filter$Result filter(org.apache.logging.log4j.core.Logger, org.apache.logging.log4j.Level, org.apache.logging.log4j.Marker, java.lang.String, java.lang.Object[]);
    descriptor: (Lorg/apache/logging/log4j/core/Logger;Lorg/apache/logging/log4j/Level;Lorg/apache/logging/log4j/Marker;Ljava/lang/String;[Ljava/lang/Object;)Lorg/apache/logging/log4j/core/Filter$Result;
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=2, locals=6, args_size=6
        start local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
        start local 1 // org.apache.logging.log4j.core.Logger logger
        start local 2 // org.apache.logging.log4j.Level level
        start local 3 // org.apache.logging.log4j.Marker marker
        start local 4 // java.lang.String msg
        start local 5 // java.lang.Object[] params
         0: .line 60
            aload 0 /* this */
            aload 4 /* msg */
            invokevirtual org.apache.logging.log4j.core.filter.RegexFilter.filter:(Ljava/lang/String;)Lorg/apache/logging/log4j/core/Filter$Result;
            areturn
        end local 5 // java.lang.Object[] params
        end local 4 // java.lang.String msg
        end local 3 // org.apache.logging.log4j.Marker marker
        end local 2 // org.apache.logging.log4j.Level level
        end local 1 // org.apache.logging.log4j.core.Logger logger
        end local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lorg/apache/logging/log4j/core/filter/RegexFilter;
            0    1     1  logger  Lorg/apache/logging/log4j/core/Logger;
            0    1     2   level  Lorg/apache/logging/log4j/Level;
            0    1     3  marker  Lorg/apache/logging/log4j/Marker;
            0    1     4     msg  Ljava/lang/String;
            0    1     5  params  [Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      logger  final
      level   final
      marker  final
      msg     final
      params  final

  public org.apache.logging.log4j.core.Filter$Result filter(org.apache.logging.log4j.core.Logger, org.apache.logging.log4j.Level, org.apache.logging.log4j.Marker, java.lang.Object, java.lang.Throwable);
    descriptor: (Lorg/apache/logging/log4j/core/Logger;Lorg/apache/logging/log4j/Level;Lorg/apache/logging/log4j/Marker;Ljava/lang/Object;Ljava/lang/Throwable;)Lorg/apache/logging/log4j/core/Filter$Result;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=6, args_size=6
        start local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
        start local 1 // org.apache.logging.log4j.core.Logger logger
        start local 2 // org.apache.logging.log4j.Level level
        start local 3 // org.apache.logging.log4j.Marker marker
        start local 4 // java.lang.Object msg
        start local 5 // java.lang.Throwable t
         0: .line 66
            aload 4 /* msg */
            ifnonnull 2
         1: .line 67
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.onMismatch:Lorg/apache/logging/log4j/core/Filter$Result;
            areturn
         2: .line 69
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 4 /* msg */
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            invokevirtual org.apache.logging.log4j.core.filter.RegexFilter.filter:(Ljava/lang/String;)Lorg/apache/logging/log4j/core/Filter$Result;
            areturn
        end local 5 // java.lang.Throwable t
        end local 4 // java.lang.Object msg
        end local 3 // org.apache.logging.log4j.Marker marker
        end local 2 // org.apache.logging.log4j.Level level
        end local 1 // org.apache.logging.log4j.core.Logger logger
        end local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/apache/logging/log4j/core/filter/RegexFilter;
            0    3     1  logger  Lorg/apache/logging/log4j/core/Logger;
            0    3     2   level  Lorg/apache/logging/log4j/Level;
            0    3     3  marker  Lorg/apache/logging/log4j/Marker;
            0    3     4     msg  Ljava/lang/Object;
            0    3     5       t  Ljava/lang/Throwable;
    MethodParameters:
        Name  Flags
      logger  final
      level   final
      marker  final
      msg     final
      t       final

  public org.apache.logging.log4j.core.Filter$Result filter(org.apache.logging.log4j.core.Logger, org.apache.logging.log4j.Level, org.apache.logging.log4j.Marker, org.apache.logging.log4j.message.Message, java.lang.Throwable);
    descriptor: (Lorg/apache/logging/log4j/core/Logger;Lorg/apache/logging/log4j/Level;Lorg/apache/logging/log4j/Marker;Lorg/apache/logging/log4j/message/Message;Ljava/lang/Throwable;)Lorg/apache/logging/log4j/core/Filter$Result;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=7, args_size=6
        start local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
        start local 1 // org.apache.logging.log4j.core.Logger logger
        start local 2 // org.apache.logging.log4j.Level level
        start local 3 // org.apache.logging.log4j.Marker marker
        start local 4 // org.apache.logging.log4j.message.Message msg
        start local 5 // java.lang.Throwable t
         0: .line 75
            aload 4 /* msg */
            ifnonnull 2
         1: .line 76
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.onMismatch:Lorg/apache/logging/log4j/core/Filter$Result;
            areturn
         2: .line 78
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.useRawMessage:Z
            ifeq 3
            aload 4 /* msg */
            invokeinterface org.apache.logging.log4j.message.Message.getFormat:()Ljava/lang/String;
            goto 4
      StackMap locals:
      StackMap stack:
         3: aload 4 /* msg */
            invokeinterface org.apache.logging.log4j.message.Message.getFormattedMessage:()Ljava/lang/String;
      StackMap locals:
      StackMap stack: java.lang.String
         4: astore 6 /* text */
        start local 6 // java.lang.String text
         5: .line 79
            aload 0 /* this */
            aload 6 /* text */
            invokevirtual org.apache.logging.log4j.core.filter.RegexFilter.filter:(Ljava/lang/String;)Lorg/apache/logging/log4j/core/Filter$Result;
            areturn
        end local 6 // java.lang.String text
        end local 5 // java.lang.Throwable t
        end local 4 // org.apache.logging.log4j.message.Message msg
        end local 3 // org.apache.logging.log4j.Marker marker
        end local 2 // org.apache.logging.log4j.Level level
        end local 1 // org.apache.logging.log4j.core.Logger logger
        end local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Lorg/apache/logging/log4j/core/filter/RegexFilter;
            0    6     1  logger  Lorg/apache/logging/log4j/core/Logger;
            0    6     2   level  Lorg/apache/logging/log4j/Level;
            0    6     3  marker  Lorg/apache/logging/log4j/Marker;
            0    6     4     msg  Lorg/apache/logging/log4j/message/Message;
            0    6     5       t  Ljava/lang/Throwable;
            5    6     6    text  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      logger  final
      level   final
      marker  final
      msg     final
      t       final

  public org.apache.logging.log4j.core.Filter$Result filter(org.apache.logging.log4j.core.LogEvent);
    descriptor: (Lorg/apache/logging/log4j/core/LogEvent;)Lorg/apache/logging/log4j/core/Filter$Result;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
        start local 1 // org.apache.logging.log4j.core.LogEvent event
         0: .line 84
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.useRawMessage:Z
            ifeq 1
            aload 1 /* event */
            invokeinterface org.apache.logging.log4j.core.LogEvent.getMessage:()Lorg/apache/logging/log4j/message/Message;
            invokeinterface org.apache.logging.log4j.message.Message.getFormat:()Ljava/lang/String;
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 1 /* event */
            invokeinterface org.apache.logging.log4j.core.LogEvent.getMessage:()Lorg/apache/logging/log4j/message/Message;
            invokeinterface org.apache.logging.log4j.message.Message.getFormattedMessage:()Ljava/lang/String;
      StackMap locals:
      StackMap stack: java.lang.String
         2: astore 2 /* text */
        start local 2 // java.lang.String text
         3: .line 85
            aload 0 /* this */
            aload 2 /* text */
            invokevirtual org.apache.logging.log4j.core.filter.RegexFilter.filter:(Ljava/lang/String;)Lorg/apache/logging/log4j/core/Filter$Result;
            areturn
        end local 2 // java.lang.String text
        end local 1 // org.apache.logging.log4j.core.LogEvent event
        end local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/apache/logging/log4j/core/filter/RegexFilter;
            0    4     1  event  Lorg/apache/logging/log4j/core/LogEvent;
            3    4     2   text  Ljava/lang/String;
    MethodParameters:
       Name  Flags
      event  final

  private org.apache.logging.log4j.core.Filter$Result filter(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/logging/log4j/core/Filter$Result;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
        start local 1 // java.lang.String msg
         0: .line 89
            aload 1 /* msg */
            ifnonnull 2
         1: .line 90
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.onMismatch:Lorg/apache/logging/log4j/core/Filter$Result;
            areturn
         2: .line 92
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.pattern:Ljava/util/regex/Pattern;
            aload 1 /* msg */
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            astore 2 /* m */
        start local 2 // java.util.regex.Matcher m
         3: .line 93
            aload 2 /* m */
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifeq 4
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.onMatch:Lorg/apache/logging/log4j/core/Filter$Result;
            goto 5
      StackMap locals: java.util.regex.Matcher
      StackMap stack:
         4: aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.onMismatch:Lorg/apache/logging/log4j/core/Filter$Result;
      StackMap locals:
      StackMap stack: org.apache.logging.log4j.core.Filter$Result
         5: areturn
        end local 2 // java.util.regex.Matcher m
        end local 1 // java.lang.String msg
        end local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/logging/log4j/core/filter/RegexFilter;
            0    6     1   msg  Ljava/lang/String;
            3    6     2     m  Ljava/util/regex/Matcher;
    MethodParameters:
      Name  Flags
      msg   final

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
         0: .line 98
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 1 /* sb */
        start local 1 // java.lang.StringBuilder sb
         1: .line 99
            aload 1 /* sb */
            ldc "useRaw="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.useRawMessage:Z
            invokevirtual java.lang.StringBuilder.append:(Z)Ljava/lang/StringBuilder;
            pop
         2: .line 100
            aload 1 /* sb */
            ldc ", pattern="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.filter.RegexFilter.pattern:Ljava/util/regex/Pattern;
            invokevirtual java.util.regex.Pattern.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         3: .line 101
            aload 1 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder sb
        end local 0 // org.apache.logging.log4j.core.filter.RegexFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/logging/log4j/core/filter/RegexFilter;
            1    4     1    sb  Ljava/lang/StringBuilder;

  public static org.apache.logging.log4j.core.filter.RegexFilter createFilter(java.lang.String, java.lang.String[], java.lang.Boolean, org.apache.logging.log4j.core.Filter$Result, org.apache.logging.log4j.core.Filter$Result);
    descriptor: (Ljava/lang/String;[Ljava/lang/String;Ljava/lang/Boolean;Lorg/apache/logging/log4j/core/Filter$Result;Lorg/apache/logging/log4j/core/Filter$Result;)Lorg/apache/logging/log4j/core/filter/RegexFilter;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=6, locals=5, args_size=5
        start local 0 // java.lang.String regex
        start local 1 // java.lang.String[] patternFlags
        start local 2 // java.lang.Boolean useRawMsg
        start local 3 // org.apache.logging.log4j.core.Filter$Result match
        start local 4 // org.apache.logging.log4j.core.Filter$Result mismatch
         0: .line 132
            aload 0 /* regex */
            ifnonnull 3
         1: .line 133
            getstatic org.apache.logging.log4j.core.filter.RegexFilter.LOGGER:Lorg/apache/logging/log4j/Logger;
            ldc "A regular expression must be provided for RegexFilter"
            invokeinterface org.apache.logging.log4j.Logger.error:(Ljava/lang/String;)V
         2: .line 134
            aconst_null
            areturn
         3: .line 136
      StackMap locals:
      StackMap stack:
            new org.apache.logging.log4j.core.filter.RegexFilter
            dup
            aload 2 /* useRawMsg */
            invokevirtual java.lang.Boolean.booleanValue:()Z
            aload 0 /* regex */
            aload 1 /* patternFlags */
            invokestatic org.apache.logging.log4j.core.filter.RegexFilter.toPatternFlags:([Ljava/lang/String;)I
            invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;I)Ljava/util/regex/Pattern;
            aload 3 /* match */
            aload 4 /* mismatch */
            invokespecial org.apache.logging.log4j.core.filter.RegexFilter.<init>:(ZLjava/util/regex/Pattern;Lorg/apache/logging/log4j/core/Filter$Result;Lorg/apache/logging/log4j/core/Filter$Result;)V
            areturn
        end local 4 // org.apache.logging.log4j.core.Filter$Result mismatch
        end local 3 // org.apache.logging.log4j.core.Filter$Result match
        end local 2 // java.lang.Boolean useRawMsg
        end local 1 // java.lang.String[] patternFlags
        end local 0 // java.lang.String regex
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0         regex  Ljava/lang/String;
            0    4     1  patternFlags  [Ljava/lang/String;
            0    4     2     useRawMsg  Ljava/lang/Boolean;
            0    4     3         match  Lorg/apache/logging/log4j/core/Filter$Result;
            0    4     4      mismatch  Lorg/apache/logging/log4j/core/Filter$Result;
    Exceptions:
      throws java.lang.IllegalArgumentException, java.lang.IllegalAccessException
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginFactory()
    RuntimeVisibleParameterAnnotations: 
      0:
        org.apache.logging.log4j.core.config.plugins.PluginAttribute(value = "regex")
      1:
        org.apache.logging.log4j.core.config.plugins.PluginElement(value = "PatternFlags")
      2:
        org.apache.logging.log4j.core.config.plugins.PluginAttribute(value = "useRawMsg")
      3:
        org.apache.logging.log4j.core.config.plugins.PluginAttribute(value = "onMatch")
      4:
        org.apache.logging.log4j.core.config.plugins.PluginAttribute(value = "onMismatch")
    MethodParameters:
              Name  Flags
      regex         final
      patternFlags  final
      useRawMsg     final
      match         final
      mismatch      final

  private static int toPatternFlags(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=11, args_size=1
        start local 0 // java.lang.String[] patternFlags
         0: .line 141
            aload 0 /* patternFlags */
            ifnull 1
            aload 0 /* patternFlags */
            arraylength
            ifne 2
         1: .line 142
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         2: .line 144
      StackMap locals:
      StackMap stack:
            ldc Ljava/util/regex/Pattern;
            invokevirtual java.lang.Class.getDeclaredFields:()[Ljava/lang/reflect/Field;
            astore 1 /* fields */
        start local 1 // java.lang.reflect.Field[] fields
         3: .line 145
            new org.apache.logging.log4j.core.filter.RegexFilter$1
            dup
            invokespecial org.apache.logging.log4j.core.filter.RegexFilter$1.<init>:()V
            astore 2 /* comparator */
        start local 2 // java.util.Comparator comparator
         4: .line 152
            aload 1 /* fields */
            aload 2 /* comparator */
            invokestatic java.util.Arrays.sort:([Ljava/lang/Object;Ljava/util/Comparator;)V
         5: .line 153
            aload 1 /* fields */
            arraylength
            anewarray java.lang.String
            astore 3 /* fieldNames */
        start local 3 // java.lang.String[] fieldNames
         6: .line 154
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         7: goto 10
         8: .line 155
      StackMap locals: java.lang.String[] java.lang.reflect.Field[] java.util.Comparator java.lang.String[] int
      StackMap stack:
            aload 3 /* fieldNames */
            iload 4 /* i */
            aload 1 /* fields */
            iload 4 /* i */
            aaload
            invokevirtual java.lang.reflect.Field.getName:()Ljava/lang/String;
            aastore
         9: .line 154
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        10: iload 4 /* i */
            aload 1 /* fields */
            arraylength
            if_icmplt 8
        end local 4 // int i
        11: .line 157
            iconst_0
            istore 4 /* flags */
        start local 4 // int flags
        12: .line 158
            aload 0 /* patternFlags */
            dup
            astore 8
            arraylength
            istore 7
            iconst_0
            istore 6
            goto 19
      StackMap locals: java.lang.String[] java.lang.reflect.Field[] java.util.Comparator java.lang.String[] int top int int java.lang.String[]
      StackMap stack:
        13: aload 8
            iload 6
            aaload
            astore 5 /* test */
        start local 5 // java.lang.String test
        14: .line 159
            aload 3 /* fieldNames */
            aload 5 /* test */
            invokestatic java.util.Arrays.binarySearch:([Ljava/lang/Object;Ljava/lang/Object;)I
            istore 9 /* index */
        start local 9 // int index
        15: .line 160
            iload 9 /* index */
            iflt 18
        16: .line 161
            aload 1 /* fields */
            iload 9 /* index */
            aaload
            astore 10 /* field */
        start local 10 // java.lang.reflect.Field field
        17: .line 162
            iload 4 /* flags */
            aload 10 /* field */
            ldc Ljava/util/regex/Pattern;
            invokevirtual java.lang.reflect.Field.getInt:(Ljava/lang/Object;)I
            ior
            istore 4 /* flags */
        end local 10 // java.lang.reflect.Field field
        end local 9 // int index
        end local 5 // java.lang.String test
        18: .line 158
      StackMap locals:
      StackMap stack:
            iinc 6 1
      StackMap locals:
      StackMap stack:
        19: iload 6
            iload 7
            if_icmplt 13
        20: .line 165
            iload 4 /* flags */
            ireturn
        end local 4 // int flags
        end local 3 // java.lang.String[] fieldNames
        end local 2 // java.util.Comparator comparator
        end local 1 // java.lang.reflect.Field[] fields
        end local 0 // java.lang.String[] patternFlags
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   21     0  patternFlags  [Ljava/lang/String;
            3   21     1        fields  [Ljava/lang/reflect/Field;
            4   21     2    comparator  Ljava/util/Comparator<Ljava/lang/reflect/Field;>;
            6   21     3    fieldNames  [Ljava/lang/String;
            7   11     4             i  I
           12   21     4         flags  I
           14   18     5          test  Ljava/lang/String;
           15   18     9         index  I
           17   18    10         field  Ljava/lang/reflect/Field;
    Exceptions:
      throws java.lang.IllegalArgumentException, java.lang.IllegalAccessException
    MethodParameters:
              Name  Flags
      patternFlags  final
}
SourceFile: "RegexFilter.java"
NestMembers:
  org.apache.logging.log4j.core.filter.RegexFilter$1
InnerClasses:
  public final Result = org.apache.logging.log4j.core.Filter$Result of org.apache.logging.log4j.core.Filter
  org.apache.logging.log4j.core.filter.RegexFilter$1
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.Plugin(name = "RegexFilter", category = "Core", elementType = "filter", printObject = true)