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Questions tagged [stringi]

stringi is THE R package for fast, correct, consistent and convenient string/text processing in each locale and any native character encoding. The use of the ICU library gives R users a platform-independent set of functions known to Java, Perl, Python, PHP, and Ruby programmers.

's stringi package provides a platform independent way of manipulating strings. It is built on the library and has a syntax inspired by the package.

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298 questions
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Regex to convert time equations to R date-time (POSIXct)

I'm reading in data from another platform where a combination of the strings listed below is used for expressing timestamps: \* = current time t = current day (00:00) mo = month d = days h = hours m = minutes For example, *-3d is current time…
Gautam
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Clean up very long list of company names - apply function on each row of data.table

I have a data.table with company names and address information. I want to remove legal entities and the most common words from the company name. Therefore I wrote a function and apply this to my data.table. search_for_default <- c("inc", "corp",…
Judy
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Problem with install.packages ("stringi") on R

On windows 10, RStudio. I've tried using the command install.packages, but it aways appear this messages: > install.packages ("stringi") There is a binary version available but the source version is later: binary source…
Natusha Cacau Pinheiro Costa
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Matching strings loop over multiple columns

I have data from an open ended survey. I have a comments table and a codes table. The codes table is a set of themes or strings. What I am trying to do: Check to see if a word / string exists from the relevant column in the codes table is in an…
Keelin
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summarize and spread by almost identical strings

I started with several raw df's with similar items ,cleaned and merged to a long format which i later combine to wide format using dplyr... However, i'm left with duplicates because i'm dealing with almost identical strings, can anyone please…
Hammao
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stringi::stri_unescape_unicode() for longer / rarer unicode characters?

We see stringi::stri_unescape_unicode() works for the first two unicode characters, but seemingly not the third library(stringi) library(dplyr) c("\\uFFE6", "\\u1ECB0", "\\u11FE0") %>% stringi::stri_unescape_unicode() # [1] "￦" "ị0" …
stevec
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How to replace characters in a string vector based on a position vector in R?

For an example: set.seed(123) library(stringi) df<-data.frame(p=sprintf("%s", stri_rand_strings(11, 11, '[A-Z]')), n=sample(1:10, 11, 1), s=sprintf("%s", stri_rand_strings(11, 1, '[A-Z]'))) df p n s 1 …
David Z
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How to get rows with elements in the list column

I have a datatable as below: library(data.table) dt <- data.table( id = c(1:3), string = list(c("tree", "house", "star"), c("house", "tree", "dense forest"), c("apple", "orange", "grapes")) ) From this I…
Ricky
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icudt error while installing stringi package from r in linux offline

I have downloaded stringi_1.4.3.tar.gz package in my System (RedHat Linux 7), but when I am trying to install offline it I am getting error as below: Execution halted *** icudt download failed. stopping. ERROR: configuration failed for package…
Aparna
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stringr function to concatenate vector of words separated by comma with "and" before last word

I know I can easily write one, but does anyone know if stringr (or stringi) already has a function that concatenates a vector of one or more words separated by commas, but with an "and" before the last word?
code_cowboy
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How to eliminate security concern while accessing to the file through program in R in Windows?

While accessing to CSV file from disk with the help of the R program, where a path to the CSV file is provided in the configuration file ( A path is like "testData/Amazon S3/Inventory/Accounts.csv" which is provided in the Configuration file and…
Bhavneet sharma
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Unlist str_locate_all into separate start and end lists

I use str_locate_all to get the start and end positions of a list of patterns in my string. It returns a list with the start and stop position for each match. How can I get the start and stop positions of all matches into separate lists?…
Nivel
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How to install package stringi in R on Windows 10?

I just installed R and RStudio so its the latest version. I am trying to install Rattle but I get error for stringi, so I try to install stringi but I get the following error: Installing package into ‘C:/Users/.../Documents/R/win-library/3.5’ (as…
MRM
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Fast way for String matching and replacement from another dataframe in R

I have two dataframes that look like this (although the first one is over 90 million rows long and the second dataframe is a little over 14 million rows) Also the second dataframe is randomly ordered df1 <- data.frame( datalist =…
Kayla
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R - Grepl vector over vector

I have a vector of character strings (v1) like so: > head(v1) [1] "do_i_need_to_even_say_it_do_i_well_here_i_go_anyways_chris_cornell_in_chicago_tonight" [2] "going_to_see_harry_sunday_happiness" …
Christopher Costello
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