| %or% {rex} | R Documentation |
The special binary function %or% can be used to specify a set
of optional matches.
describeIn or regular function can also be used, useful for more than 2 arguments.
x %or% y or(...)
x |
A string. |
y |
A string. |
... |
|
Other rex: capture,
character_class, counts,
group, lookarounds,
not, rex,
shortcuts, wildcards