Available Options

	Java	Rust
a
astral
b
c
canon
case_insensitive
comment
crlf		$CRLF mode is enabled, both \r (“carriage return” or CR for short) and \n (“line feed” or LF for short) are treated as line terminators.$
d
debug
dot_matches_new_line
dotall
e
explicitcapture
global
i
ignore_whitespace
ignorecase
javascript
l
lastStarGreedy
literal
locale
m
multi_line
multiline
n
newSyntax
octal		$Octal mode is enabled, \0 is treated as the null character$
p
posix
q
rightAssoc
righttoleft
s
sticky
swap_greed
t
u
unicode
unixline	$Only consider '\n' as line terminator (UNIX_LINES)$
w
x