| counts {rex} | R Documentation |
Functions to restrict a regex to a specific number
n_times(x, n, type = c("greedy", "lazy", "possessive"))
between(x, low, high, type = c("greedy", "lazy", "possessive"))
at_least(x, n, type = c("greedy", "lazy", "possessive"))
at_most(x, n, type = c("greedy", "lazy", "possessive"))
x |
A regex pattern. |
n |
An integer number |
type |
the type of match to perform. There are three match types
|
low |
An integer number for the lower limit. |
high |
An integer number for the upper limit. |
n_times: x must occur exactly n times.
between: x must occur between low and high times.
at_least: x must occur at least n times.
at_most: x must occur at most n times.
Other rex: %or%, capture,
character_class, group,
lookarounds, not,
rex, shortcuts,
wildcards