Keep rows that match a nested condition

Usage

filterNested(object, pattern, ...)

# S4 method for DFrame,character
filterNested(object, pattern, ignoreCase = FALSE)

Arguments

object: Object.
pattern: character(1). Pattern to use for matching.
ignoreCase: logical(1). Perform case insensitive pattern matching.
...: Additional arguments.

Value

Modified object, containing only matching rows.

Details

Intended for partial matching with regular expressions. For exact matches, refer to matchNested function.

Note

Updated 2023-12-12.

Examples

## DFrame ====
pattern <- "^[A-Z]+$"
object <- S4Vectors::DataFrame(
    "V1" = c("a", "b", "c"),
    "V2" = I(list(
        c("aa", "bb", "CC"),
        c("dd", "ee", "ff"),
        c("gg", "hh", "ii")
    ))
)
object <- filterNested(object = object, pattern = pattern)
print(object)
#> DataFrame with 1 row and 2 columns
#>            V1       V2
#>   <character>   <list>
#> 1           a aa,bb,CC