# matches_regex

0th

Percentile

##### Does the input match the regular expression?

Checks that the input matches the regular expression.

##### Usage
matches_regex(x, rx, ignore.case = TRUE, ...)
##### Arguments
x
Input to check.
rx
A regular expression.
ignore.case
Should the case of alphabetic characters be ignored?
...
Passed to grepl.
##### Value

A logical vector that is TRUE when the input matches the regular expression.

##### Note

The default for ignore.case is different to the default in grepl.

regex and regexpr.