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Recent questions tagged Regex
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regex - Beginning and end of words in sed and grep
I don't understand the difference between and < in GNU sed and GNU grep. It seems to me can ... something and something\>. Thank you See Question&Answers more detail:os...
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regex - Extract all numbers from a single string in R
Let's imagine you have a string: strLine <- "The transactions (on your account) were as follows: 0 3,000 ... the location of the first number. See Question&Answers more detail:os...
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regex - Is it possible to pad integers with zeros using regular expressions?
I have a series of numbers of different lengths (varying from 1 to 6 digits) within some text. I want to ... in a better expression than this? See Question&Answers more detail:os...
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regex - Exclusive Or in Regular Expression
Looking for a bit of regex help. I'd like to design an expression that matches a string with "foo" OR "bar ... or the other is present? Thanks! See Question&Answers more detail:os...
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regex - Replace chars if not match
I'm looking for a regular expression that removes illegal characters. But I don't know what the characters will ... 't match the regexp above. See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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regex - regular expression for email validation in Java
I am using the follwoing regular expression (".+@.+\.[a-z]+") Bit it accepts #@#.com as a valid email. What's the pattern I should use? See Question&Answers more detail:os...
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regex - Java Regexp to Match ASCII Characters
What regex would match any ASCII character in java? I've already tried: ^[\p{ASCII}]*$ but found that it didn't match lots ... >~`[]{}\/+=-\s]*$ See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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654
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regex - grepl in R to find matches to any of a list of character strings
Is it possible to use a grepl argument when referring to a list of values, maybe using the %in% ... character vector with multiple patterns See Question&Answers more detail:os...
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Oct 17, 2021
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regex - upper- to lower-case using sed
I'd like to change the following patterns: getFoo_Bar to: getFoo_bar (note the lower b) Knowing neither foo nor ... Maybe sed is not adapted? See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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regex - Javascript: what's the point of RegExp.compile()?
I've got a situation where I want to get a regexp from the user and run it against a few thousand ... constructor does the compile() itself? See Question&Answers more detail:os...
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Oct 17, 2021
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regex - Using Vim, how can I make CSS rules into one liners?
I would like to come up with a Vim substitution command to turn multi-line CSS rules, like this one: #main { ... the :%s/ commands to use. See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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586
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regex - Javascript equivalent of Perl's Q ... E or quotemeta()
In Perl regular expressions, you can surround a subexpression with Q and E to indicate that you want that ... don't have to bother. See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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507
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regex - Extract text from a string
How do I extract the "program name" from a string. The string will look like this : % O0033(SUB RAD ... of your answers will be appreciated. See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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votes
580
views
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regex - What does the forward slash mean within a JavaScript regular expression?
I can't find any definitive information on what / means in a JavaScript regex. The code replace(/ /g, '' ... where the previous match ended.' See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
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votes
593
views
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answer
regex - find & replace commas with newline on Google Spreadsheet
I've been trying to figure out how to replace commas with line-breaks. I've tried using (/r/n/), char(10 ... , not converting it to a line-break See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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488
views
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regex - What's the most efficient way to find one of several substrings in Python?
I have a list of possible substrings, e.g. ['cat', 'fish', 'dog']. In practice, the list contains ... elegant Python/regex solution for this. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
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705
views
1
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regex - How can I split a string into chunks of two characters each in Perl?
How do I take a string in Perl and split it up into an array with entries two characters long each? I ... array containing F5 3C BB A4 76 See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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1.4k
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regex - Laravel validate decimal 0-99.99
Laravel does not have a validation for decimal, so I need a regex or other validation method to validate a ... values before or after decimal See Question&Answers more detail:os...
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Oct 17, 2021
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regex
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597
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regex - How do I return only the matching regular expression when I select-string(grep) in PowerShell?
I am trying to find a pattern in files. When I get a match using Select-String I do not want the entire ... Powershell equivalent of a grep -o See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
0
votes
731
views
1
answer
regex - Find Hyperlinks in Text using Python (twitter related)
How can I parse text and find all instances of hyperlinks with a string? The hyperlink will not be in the html ... to reproduce it in python :( See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
0
votes
542
views
1
answer
regex - Regexp for subdomain
Does anyone know how to write a regexp that only allows a-zA-Z0-9.- (letters, numbers, dots, and dash) BUT ... want to because @ is not allowed. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
0
votes
484
views
1
answer
regex - How can I match double-quoted strings with escaped double-quote characters?
I need a Perl regular expression to match a string. I'm assuming only double-quoted strings, that a " is a ... direction on how to handle this? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
0
votes
615
views
1
answer
regex - .htaccess redirect domain to subdirectory without changing URL
I have the following setup: -> domain1.com is my main domain and also document root -> domain2.com is another ... but I am currently clueless :/ See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
0
votes
795
views
1
answer
regex - Regular Expression to match only odd or even number
I have a list of textual entries that a user can enter into the database and I need to validate these inputs with ... Regex. ^[123][02468]$ See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
points)
regex
0
votes
805
views
1
answer
regex - PHP strip punctuation
Let's say I have this: $hello = "Hello, is StackOverflow a helpful website!? Yes!"; and I want ... How can I do that? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
0
votes
1.2k
views
1
answer
regex - How to validate password strength with Angular 5 Validator Pattern
I need to validate the strength of a password input form field. The requirements are: at least one lowercase char at least one ... ') ]] }); } } See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
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528
views
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answer
regex - Regular expression generator/reducer?
I was posed an interesting question from a colleague for an operational pain point we currently have, and am ... all of the source values? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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regex
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593
views
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regex - ignoring changes matching a string in git diff
I've made a single simple change to a large number of files that are version controlled in git and I'd like ... diff with the unix diff tool. See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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