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标签grepl - 这是页1 - GeneraCodice
R regular expression repetition ignores upper bound
https://www.generacodice.com/cn/articolo/13224394/r-regular-expression-repetition-ignores-upper-bound
regex
-
r
-
grepl
StackOverflow
filtering df columns, systemIds + chararacter + numeric, sapply, grepl to filter result
https://www.generacodice.com/cn/articolo/12231683/filtering-df-columns-systemids-chararacter-numeric-sapply-grepl-to-filter-result
r
-
dataframe
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filter
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sapply
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grepl
StackOverflow
R: cannot grep() on "+" character?
https://www.generacodice.com/cn/articolo/12142166/r-cannot-grep-on-character
regex
-
r
-
grepl
StackOverflow
Create a variable based on factors found by applying grepl over multiple columns
https://www.generacodice.com/cn/articolo/11798885/create-a-variable-based-on-factors-found-by-applying-grepl-over-multiple-columns
r
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apply
-
grepl
StackOverflow
Selecting two digits from a 4 or six digit number in R
https://www.generacodice.com/cn/articolo/11689364/selecting-two-digits-from-a-4-or-six-digit-number-in-r
regex
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select
-
r
-
grepl
StackOverflow
grepl for a period "." in R?
https://www.generacodice.com/cn/articolo/10549020/grepl-for-a-period-in-r
regex
-
r
-
grepl
StackOverflow
Subsetting on all but empty grep returns empty vector
https://www.generacodice.com/cn/articolo/9508791/subsetting-on-all-but-empty-grep-returns-empty-vector
operators
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r
-
vector
-
grepl
StackOverflow
Subset based on list of strings using grepl()?
https://www.generacodice.com/cn/articolo/6103055/subset-based-on-list-of-strings-using-grepl
parsing
-
r
-
grepl
StackOverflow
Concatenating strings from different rows in R
https://www.generacodice.com/cn/articolo/2249594/concatenating-strings-from-different-rows-in-r
r
-
grepl
StackOverflow
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