fails:Predefined global $~ is set to contain the MatchData object of the last match if successful
fails:Predefined global $~ is set to nil if the last match was unsuccessful
fails:Predefined global $~ is set at the method-scoped level rather than block-scoped
fails:Predefined global $~ raises an error if assigned an object not nil or instanceof MatchData
fails:Predefined global $~ changes the value of derived capture globals when assigned
fails:Predefined global $~ changes the value of the derived preceding match global
fails:Predefined global $~ changes the value of the derived following match global
fails:Predefined global $~ changes the value of the derived full match global
fails:Predefined global $& is equivalent to MatchData#[0] on the last match $~
fails:Predefined global $& sets the encoding to the encoding of the source String
fails:Predefined global $` is equivalent to MatchData#pre_match on the last match $~
fails:Predefined global $` sets the encoding to the encoding of the source String
fails:Predefined global $` sets an empty result to the encoding of the source String
fails:Predefined global $' is equivalent to MatchData#post_match on the last match $~
fails:Predefined global $' sets the encoding to the encoding of the source String
fails:Predefined global $' sets an empty result to the encoding of the source String
fails:Predefined global $+ is equivalent to $~.captures.last
fails:Predefined global $+ captures the last non nil capture
fails:Predefined global $+ sets the encoding to the encoding of the source String
fails:Predefined globals $1..N are equivalent to $~[N]
fails:Predefined globals $1..N are nil unless a match group occurs
fails:Predefined globals $1..N sets the encoding to the encoding of the source String
fails:Predefined global $stdout is the same as $DEFAULT_OUTPUT from 'English' library
fails:Predefined global $stdout raises TypeError error if assigned to nil
fails:Predefined global $stdout raises TypeError error if assigned to object that doesn't respond to #write
fails:Predefined global $! remains nil after a failed core class "checked" coercion against a class that defines method_missing
fails:Predefined global $/ changes $-0
fails:Predefined global $/ does not call #to_str to convert the object to a String
fails:Predefined global $/ raises a TypeError if assigned a Fixnum
fails:Predefined global $/ raises a TypeError if assigned a boolean
fails:Predefined global $-0 changes $/
fails:Predefined global $-0 does not call #to_str to convert the object to a String
fails:Predefined global $-0 raises a TypeError if assigned a Fixnum
fails:Predefined global $-0 raises a TypeError if assigned a boolean
fails:Predefined global $, raises TypeError if assigned a non-String
fails:Predefined global $_ is set to the last line read by e.g. StringIO#gets
fails:Predefined global $_ is set at the method-scoped level rather than block-scoped
fails:Predefined global $_ is Thread-local
fails:Execution variable $: does not include '.' when the taint check level > 1
fails:Execution variable $: is the same object as $LOAD_PATH and $-I
fails:Execution variable $: is read-only
fails:Global variable $" is read-only
fails:Global variable $< is read-only
fails:Global variable $FILENAME is read-only
fails:Global variable $? is read-only
fails:Global variable $? is thread-local
fails:Global variable $-a is read-only
fails:Global variable $-l is read-only
fails:Global variable $-p is read-only
fails:Global variable $-d is an alias of $DEBUG
fails:Global variable $-v is an alias of $VERBOSE
fails:Global variable $-w is an alias of $VERBOSE
fails:Global variable $0 raises a TypeError when not given an object that can be coerced to a String
fails:The predefined standard objects includes ARGF
fails:The predefined global constants includes TRUE
fails:The predefined global constants includes FALSE
fails:The predefined global constants includes NIL
fails:The predefined global constants includes STDIN
fails:The predefined global constants includes STDOUT
fails:The predefined global constants includes STDERR
fails:The predefined global constants includes RUBY_RELEASE_DATE
fails:The predefined global constants includes TOPLEVEL_BINDING
fails:Processing RUBYOPT adds the -I path to $LOAD_PATH
fails:Processing RUBYOPT sets $DEBUG to true for '-d'
fails:Processing RUBYOPT prints the version number for '-v'
fails:Processing RUBYOPT sets $VERBOSE to true for '-w'
fails:Processing RUBYOPT sets $VERBOSE to true for '-W'
fails:Processing RUBYOPT sets $VERBOSE to nil for '-W0'
fails:Processing RUBYOPT sets $VERBOSE to false for '-W1'
fails:Processing RUBYOPT sets $VERBOSE to true for '-W2'
fails:Processing RUBYOPT requires the file for '-r'
fails:Processing RUBYOPT raises a RuntimeError for '-a'
fails:Processing RUBYOPT raises a RuntimeError for '-p'
fails:Processing RUBYOPT raises a RuntimeError for '-n'
fails:Processing RUBYOPT raises a RuntimeError for '-y'
fails:Processing RUBYOPT raises a RuntimeError for '-c'
fails:Processing RUBYOPT raises a RuntimeError for '-s'
fails:Processing RUBYOPT raises a RuntimeError for '-h'
fails:Processing RUBYOPT raises a RuntimeError for '--help'
fails:Processing RUBYOPT raises a RuntimeError for '-l'
fails:Processing RUBYOPT raises a RuntimeError for '-S'
fails:Processing RUBYOPT raises a RuntimeError for '-e'
fails:Processing RUBYOPT raises a RuntimeError for '-i'
fails:Processing RUBYOPT raises a RuntimeError for '-x'
fails:Processing RUBYOPT raises a RuntimeError for '-C'
fails:Processing RUBYOPT raises a RuntimeError for '-X'
fails:Processing RUBYOPT raises a RuntimeError for '-F'
fails:Processing RUBYOPT raises a RuntimeError for '-0'
fails:Processing RUBYOPT raises a RuntimeError for '--copyright'
fails:Processing RUBYOPT raises a RuntimeError for '--version'
fails:Processing RUBYOPT raises a RuntimeError for '--yydebug'
fails:The predefined global constant STDERR has nil for the external encoding despite Encoding.default_external being changed
fails:The predefined global constant STDERR has the encodings set by #set_encoding
fails:The predefined global constant ARGV contains Strings encoded in locale Encoding
fails:The predefined global constant STDERR has nil for the internal encoding despite Encoding.default_internal being changed
fails:The predefined global constant STDERR has nil for the internal encoding
fails:The predefined global constant STDERR has nil for the external encoding
fails:The predefined global constant STDOUT has nil for the internal encoding despite Encoding.default_internal being changed
fails:The predefined global constant STDOUT has nil for the internal encoding
fails:The predefined global constant STDOUT has the encodings set by #set_encoding
fails:The predefined global constant STDOUT has nil for the external encoding despite Encoding.default_external being changed
fails:The predefined global constant STDOUT has nil for the external encoding
fails:The predefined global constant STDIN has nil for the internal encoding despite Encoding.default_internal being changed
fails:The predefined global constant STDIN has nil for the internal encoding
fails:The predefined global constant STDIN retains the encoding set by #set_encoding when Encoding.default_external is changed
fails:The predefined global constant STDIN has the encodings set by #set_encoding
fails:The predefined global constant STDIN has the same external encoding as Encoding.default_external when that encoding is changed
fails:The predefined global constant STDIN has the same external encoding as Encoding.default_external