Print information about a pre-compiled regular expression

Usage

"print"(x, options = FALSE, ...)

Arguments

x

a pre-compiled regular expression

options

print options

...

further arguments passed to or from other methods.

Examples

re2("(.*)@([^.]*)")

re2 pre-compiled regular expression

pattern: (.*)@([^.]*)
number of capturing subpatterns: 2
capturing names with indices: 
.match .1 .2
expression size: 37

re2("(?P<name>sd)")

re2 pre-compiled regular expression

pattern: (?P<name>sd)
number of capturing subpatterns: 1
capturing names with indices: 
.match name
expression size: 8

print(re2("sd"), options = TRUE)

re2 pre-compiled regular expression

pattern: sd
number of capturing subpatterns: 0
capturing names with indices: 
.match
expression size: 6

Options:

UTF-8 pattern: TRUE
sase sensitive: TRUE
posix syntax: FALSE
dot match new line: FALSE
literal pattern string: FALSE
longest match: FALSE
never match \n: FALSE
never capture: FALSE
max memory: 8388608