leobm, 8 days ago to RegEx German

The ?x modifier/flag is nice, never used it before.
Makes it possible to include commentary inside complicated patterns. #perl #regex

original source: https://polar.sh/eval/posts/named-capturing-groups-in-clojure
#clojure

evilchili, 14 days ago to Canada

Hey Canadian nerds! I have held the domain registration for regex.ca for a very long time. When I lived in Canada it was my primary domain, but I haven't used it for years. Does anyone on the fediverse have a good use for it?

I'm going to release it but if you've got a good pitch I'll pay for a 1 year renewal and then transfer it to your ownership.

Please boost for visibility kthx!

#canada #regex #perl

chrastecky, 15 days ago to RegEx

Lo and behold, fellow mortals of the programmer variety! I find myself embarking upon a most arduous quest.

One that shall test the mettle of my coding prowess... Yes, thee heard right.

I dare to dance with the elusive and powerful entity known as... the #regex #email #validation!

stevensanderson, 26 days ago to programming

If you work with text data in R, the gregexpr() function is essential for pattern matching. It finds all occurrences of a pattern within a string. Key parameters include pattern, text, ignore.case, perl, fixed, and useBytes. You can match characters, ignore case, use advanced regex, and search fixed strings.

#R #RProgramming #Programming #RStats #ROpenSci #Text #regex

Post: https://www.spsanderson.com/steveondata/posts/2024-05-17/

image/png
image/png

stevensanderson, 27 days ago to programming

🎉 New Post Alert! 🎉

Counting words in a string is a fundamental task in data analysis.

1. Base R: Use strsplit(), a straightforward method to split strings and count words.

2. stringr: The str_split() function from the stringr package makes the code more readable.

3. stringi: For powerful and efficient string manipulation, stri_split_regex() from the stringi package is your go-to.

Happy coding! 🚀

#R #RStats #RProgramming #Programming #regex #Coding #strings

Post: https://www.spsanderson.com/steveondata/posts/2024-05-16/

stevensanderson, 28 days ago to programming

🔎 Selecting Columns Containing a Specific String in R: A Quick Guide 🚀

Hey R users! Need to select columns by a specific string? Here's how in base R, stringr, stringi, dplyr, and with a bonus from data.table.

🆒 R
✅ grepl
📦 stringr
📦 stringi
📦 dplyr

Bonus: 📦 data.table
library(data.table)
df_price <- df[, names(df) %like% "price"]

Happy coding! 🚀

Post: https://www.spsanderson.com/steveondata/posts/2024-05-15/

#R #RProgramming #Programming #RStats #Coding #RegularExpressions #RegEx #stringr #stringi #dplyr #datatable #baseR

image/png
image/png
image/png

lizardbill, 1 month ago to RegEx

You can't parse [X]HTML with regex. #regex #html https://stackoverflow.com/a/1732454/1288

stevensanderson, 1 month ago to programming

🔍 Quick Guide: Detecting Strings in R

In my latest blog post, I cover how to find specific strings in data columns using the str_detect function from the stringr package and base R functions. You'll see practical examples with both grepl for identifying matches and gregexpr for counting occurrences.

Read more here: https://www.spsanderson.com/steveondata/posts/2024-05-10/ and explore ways to make string detection a breeze in your data work!

#RStats #DataCleaning #R #RProgramming #Programming #Data #Regex

image/png

donwatkins, 1 month ago to RegEx

Regular Expressions #2: An example – Both.org https://www.both.org/?p=5154 #regex #Linux

stevensanderson, 1 month ago to stackoverflow

I was working on a problem today where I needed to pick out a department and a sub issue that were attached to each other as a single code in a comment.

I first went to use the traditional SUSTRING(comment_string, 1, 5) IN (my list of codes) but it was slow.

So off to work, I learned something new via #stackoverflow and learned to make a sarge-able LIKE with what ever I want in the narrower results.

Nice to learn something new.

#SQL #MSSQL #RegularExpressions #regex

villetakanen, 1 month ago to RegEx

#regex #programmer #humour

profoundlynerdy, 1 month ago to raku

What are some underappreciated superpowers that #Perl and/or #rakulang has EXCLUDING #regex and #grammars?

#programming #compsci

NireBryce, 1 month ago to RegEx

does there yet exist any application that can take a multi-selection and spit out a #regex that will match that in any file going forward?

stevensanderson, 2 months ago to RegEx

I decided to make a blog post out of a problem I worked on a day or two ago and thankfully I was also pointed to another solution from @embiggenData which worked well too.

#R #RStats #RProgramming #Data #regex #tidyverse #glue #unglue #tidyr #dplyr

Post: https://www.spsanderson.com/steveondata/posts/2024-04-12/

image/png
image/png

necrosis, 2 months ago to RegEx German

Liebe Informatik Lehrkräfte, bitte bringt euren Schülerinnen und Schülern #RegEx bei.

Es hilft im Job ungemein. 😅
Ich wünschte ich hätte das schon in der Schule gelernt. 🥹

#FediLZ