grepl

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Find if a string appear before another string
user_103271470
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2
3
92
grepl r string
Negative lookahead checking for absence of multiple patterns
user_118250570
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1
1
68
grepl r regex
Reducing nested if else statements with grepl in R
user_168992470
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1
5
103
grepl if-statement r nested
Extract names from a string using a list of names with grepl and a loop and add them to a new column in R
user_163985980
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4
2
222
grepl edge-list r loops string
How can I automate this simple conditional column operation in R?
user_145245350
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1
2
50
grepl dplyr tidyverse conditional-statements r
test if words are in a string (grepl, fuzzyjoin?)
user_146224030
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2
1
131
fuzzyjoin grepl r
Filter rows after pattern matched with grepl in certain column
user_154087460
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2
2
109
grepl dplyr filter r
Adding column values based on initial character strings in another column
user_136291210
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2
2
357
grepl data-cleaning character r string
How do I delete a row with a pattern in R?
user_120812690
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2
2
589
grepl filter r
StringsR - catch correct numbers
user_112380570
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2
2
61
grepl stringr r regex
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