Category "regex"

How to write regex to identify different date patterns of a String in android?

I receive different date patterns in APIs. Is there any way to identify the date pattern of the string received in an API so that I can format them without thro

How do I make a more concise extraction from a character vector in R?

We use google calendar for reservations of several machines, and I am making graphs of the usage. I have a line to extract the titles of the calendars for plot

Set a new value after using regex

I have a string that is equal to stringnum. stringnum = "0007001369920090687073" I need to use regex to grab the first 9 digits after the first 3 zeros. I am u

Findall vs search for overwriting groups in Python

I found topic Capturing group with findall? but unfortunately it is more basic and covers only groups that do not overwrite themselves. Please let's take a loo

Problem with regex (check string for certain repetitions)

I would like to check whether in a text there are a) three consonants in a row or b) four identical letters in a row. Can someone please help me with the regula

Powershell batch renaming files with index

for a personal project I want to prefix folder and file names with an index. The goal is to have every childitem name remain the same except for the prefix. My

Why I am getting "unbalanced parenthesis" error in flex

I was testing something with lexer, and wrote this regex rule:[0-9([a-b])[c-f]] ; According this docs, this is equivalent to:[0-9a-f()] ; For example, the foll

How to pluck the second value in a url after the first slash, in a string that could have many slashes?

I know there are countless regex questions out there, but I was unable to find one that fits my situation. Suppose I have the following pathname: /u/some_user/c

extract a string before certain punctuation regex

How to extract words before the first punctuation | in presto SQL? Table +----+------------------------------------+ | id | title |

Remove pattern that occurs outside of words

I am trying to remove pattern 'SO' from the end of a character vector. The issue I run into with the below code is that it will remove any sequence of 'SO' case

How to format a text field javafx

I would like to be able to enter the time in a javafx text field in the format hh:mm:ss. How would I go about formatting the text field? I already got the regex

How to format a text field javafx

I would like to be able to enter the time in a javafx text field in the format hh:mm:ss. How would I go about formatting the text field? I already got the regex

Nginx regex location not matching

I am serving some services on an Ubuntu VM using Nginx 1.14.0. In my server definition, I'm including a location block designed to forward requests from /api/v{

Nginx regex location not matching

I am serving some services on an Ubuntu VM using Nginx 1.14.0. In my server definition, I'm including a location block designed to forward requests from /api/v{

Can these regexes cause catastrophic backtracking? [duplicate]

I'm new to regexes. I am using these regexes throughout my android project. Can any of these cause the catastrophic backtracking? To check for

How to get the variable value inside sigle quote by variable name using php [duplicate]

I need to get the value of the given variable name without quotes(''). Is it possible with php? variableName='value' I think using preg_match

Google Tag Manager - Regex match

I want to check if a specific string is included in a GTM variable. The value of this variable is a first-party-cookie value decoded via URI looking like this:

REGEXP word match

I have a script where I am attempting to match a new jobtitle to an existing one in the database. SELECT a.title AS JobTitle, j.Description AS MatchedJobTitle

How do I make part of a regex match optional?

This is an example string: 123456#p654321 Currently, I am using this match to capture 123456 and 654321 in to two different groups: ([0-9].*)#p([0-9].*) B

Java regex repetition not allowed inside lookbehind

I am looking for a way to split a string after every 3rd comma. I have found an old answer from 2013 Split a String at every 3rd comma in Java which I think is