search_rows | R Documentation |
I sometimes need to see which rows of a matrix-like structure
contain a string matched by a search pattern.
This somewhat similar to writing a matrix-like structure to disk and then
using search_files
on it.
search_rows(x, pattern = ".*", include_row_names = TRUE)
x |
A |
pattern |
A pattern. |
include_row_names |
Include row names into the search? |
All rows where the pattern was found in at least one column.
Other searching functions:
compare_vectors()
,
file_modified_last()
,
find_files()
,
fromto()
,
grep_file()
,
missing_docs
,
search_files()
,
summary.filesearch()
p <- "\\<4.0[[:alpha:]]*\\>"
search_rows(x = mtcars, pattern = p)
search_rows(x = mtcars, pattern = p, include_row_names = FALSE)
try(search_rows(x = mtcars, pattern = "ABC"))
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