stringr, str_extract: how to do positive lookbehind?
stringr, str_extract: how to do positive lookbehind? Asked 9 years, 11 months ago Modified 4 years, 2 months ago Viewed 8k times
stringr str_replace on multiple patterns and replacements?
Feb 8, 2020 · The chartr() solution was new to me too, but I wanted to replace single characters with multiple. Eventually found a stringr (v1.4.0) solution that's quite simple. In fact it's in the help page, …
stringr - using R How to remove all words after a specific character in ...
Dec 18, 2020 · I have a column in tbl_df titled "Search" and would like to remove all characters to the right of the question mark "?" Example Atlanta?adfjladsfjf Georgia?fdfdfjflajf LosAngeles?
Remove empty strings from library(stringr) in R - Stack Overflow
Apr 17, 2021 · Remove empty strings from library (stringr) in R Asked 4 years, 10 months ago Modified 4 years, 1 month ago Viewed 8k times
How to remove all whitespace from a string? - Stack Overflow
May 13, 2011 · The base R approach: gsub gsub replaces all instances of a string (fixed = TRUE) or regular expression (fixed = FALSE, the default) with another string. To remove all spaces, use: …
Extracting the last n characters from a string in R
How can I get the last n characters from a string in R? Is there a function like SQL's RIGHT?
r - Remove part of a string - Stack Overflow
Mar 14, 2012 · How do I remove part of a string? For example in ATGAS_1121 I want to remove everything before _.
r - Filter rows which contain a certain string - Stack Overflow
The functions provided by the stringr package start with the prefix str_, which makes the code easier to read. The first argument of the functions of stringr package is always the data.frame (or value), then …
Extract the first (or last) n characters of a string
Apr 9, 2013 · 95 The stringr package provides the str_sub function, which is a bit easier to use than substr, especially if you want to extract right portions of your string :
r - Concatenate a vector of strings/character - Stack Overflow
Jan 20, 2010 · 11 tidyverse The stringr package has a few, fast ways you could accomplish this. str_flatten By default will collapse your character vector with no spaces, but does have collapse …