Does the string match a pattern?

Does the string match a pattern?

isMatchingFixed(x, pattern)

isMatchingRegex(x, pattern)

isNotMatchingFixed(x, pattern)

isNotMatchingRegex(x, pattern)

allAreMatchingFixed(x, pattern)

allAreMatchingRegex(x, pattern)

allAreNotMatchingFixed(x, pattern)

allAreNotMatchingRegex(x, pattern)

allAreSystemCommands(x)

Arguments

x	Object.
pattern	character(1). Pattern to use for matching.

Value

logical.

Functions

• isMatchingFixed: Vectorized.

• isMatchingRegex: Vectorized.

• isNotMatchingFixed: Vectorized.

• isNotMatchingRegex: Vectorized.

• allAreMatchingFixed: Scalar.

• allAreMatchingRegex: Scalar.

• allAreNotMatchingFixed: Scalar.

• allAreNotMatchingRegex: Scalar.

• allAreSystemCommands: Scalar.

Note

Updated 2019-08-10.

See also

• grepl().

• stringi::stri_detect_regex().

• stringi::stri_detect_fixed().

• stringr::str_detect().

• assertive.strings::is_matching_regex().

• assertive.strings::is_matching_fixed().

• assertive.strings::is_not_matching_regex().

• assertive.strings::is_not_matching_fixed().

Examples

## TRUE ====
isMatchingRegex(x = "foobar", pattern = "^f")
#> foobar 
#>   TRUE 
isNotMatchingRegex(x = "foobar", pattern = "^b")
#> foobar 
#>   TRUE 

isMatchingFixed(x = "foobar", pattern = "bar")
#> foobar 
#>   TRUE 
isNotMatchingFixed(x = "foo", pattern = "bar")
#>  foo 
#> TRUE