Recent questions tagged regex

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regex - Regular Expression to add double quotes around keys in JavaScript

I am using jQuery's getJSON function to make a request and handle the JSON response. The problem is the ... this easy? Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Perl regular expression: match nested brackets

I'm trying to match nested {} brackets with a regular expressions in Perl so that I can extract certain pieces ... would I go about fixing it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Java String.replaceAll() with back reference

There is a Java Regex question: Given a string, if the "*" is at the start or the end of the string, ... back reference? Thank you in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - How can I debug a regular expression in Python?

Is there a way to debug a regular expression in Python? And I'm not referring to the process of trying and trying ... Freeing REx: "gets+(S+)" See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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658 views

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regex - php function array_key_exists and regular expressions

Is it possible to use a regular expression with the php function array_key_exists()? For example: $exp = "my regex ... $exp, $array); Thank you! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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692 views

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regex - How to get the language value from $_SERVER['HTTP_ACCEPT_LANGUAGE'] using PHP?

<?php $language = $_SERVER['HTTP_ACCEPT_LANGUAGE']; echo $language; ?> When I use Firefox to test this ... of $_SERVER['HTTP_ACCEPT_LANGUAGE']? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - jQuery selector :contains - Use regular expressions

I am trying to implement search functionality for a list using jQuery. I am using following line to filter ... achieved in any other way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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813 views

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regex - ASP.NET MVC data annotations client side validation with inherited RegularExpressionAttribute

To keep my model validation clean I would like to implement my own validation attributes, like PhoneNumberAttribute and ... $") { } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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667 views

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regex - Listing all files matching a full-path pattern in R

I am trying to obtain the list of files matching a full-path pattern. So far, I have used list.files() ... a library for simplifying this task. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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633 views

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regex - 'negative' pattern matching in python

I have the following input, OK SYS 10 LEN 20 12 43 1233a.fdads.txt,23 /data/a11134/a.txt 3232b.ddsss.txt, ... as it does not produce any output. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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843 views

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regex - preg_match in JavaScript?

Is it possible in JavaScript to do something like preg_match does in PHP ? I would like to be able to get two ... use MooTools if it would help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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733 views

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regex - Regular expression containing one word or another

I need to create an expression matching a whole number followed by either "seconds" or ""minutes" I tried this ... "5 minutes" gives ;;minutes See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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639 views

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regex - Find files with illegal windows characters in the name on Linux

I have a projects on my Linux box that contains file with characters that are considered illegal/reserved in Windows ... each of these files. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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716 views

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regex - How to generate random strings that match a given regexp?

Duplicate: Random string that matches a regexp No, it isn't. I'm looking for an easy and universal method, one ... space of all 10-char strings. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

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regex - How do backreferences in regexes make backtracking required?

I read http://swtch.com/~rsc/regexp/regexp1.html and in it the author says that in order to have ... an example (regex and input)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

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regex find characters between " "

How can I match all characters between 2 specified characters, say " " -> from sdfsf " 12asdf " sdf I want to get 12asdf only. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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826 views

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regex - How to remove extra white space between words inside a character vector using?

Suppose I have a character vector like "Hi, this is a good time to start working together.". I just want to have ... How should I do this in R? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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627 views

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regex - Powershell: match operator returns true but $matches is null

I am working with a regex to match file contents: > (get-content $_) -match $somePattern the line of text that ... have the match groups in it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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829 views

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regex - Regular expression to match exact number of characters?

I need a regular expression that will match any three uppercase letters, so AAA or ABC or DKE. It can't match ... just for the sake of learning? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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640 views

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regex - Regular Expression over multiple lines

I'm stuck with this for several hours now and cycled through a wealth of different tools to get the job done. Without ... perl, sed, tr, etc.). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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522 views

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regex - Does an algorithm exist which can determine whether one regular language matches any input another regular language matches?

Let's say we have regular expressions: Hello W.*rld Hello World .* World .* W.* I would like to ... another expression. Is that possible? Billy3 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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590 views

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regex - Extracting only characters from a string in Python

In Python, I want to extract only the characters from a string. Consider I have the following string, input = ... the split is not happening. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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682 views

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regex - Using regular expressions to do mass replace in Notepad++ and Vim

So I've got a big text file which looks like the following: <option value value='1' >A <option value value=' ... it can't seem to find anything. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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543 views

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regex - How to match a new line character in Python raw string

I got a little confused about Python raw string. I know that if we use raw string, then it will treat '' ... has some good idea about this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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regex - R: Find the last dot in a string

In R, is there a better/simpler way than the following of finding the location of the last dot in a string? x < ... , but didn't get very far. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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458 views

1 answer

regex - How to verify form input using HTML5 input verification

I have tried finding a full list of patterns to use for verifying input via HTML5 form verification for various ... post their solutions too). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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735 views

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regex - Javascript: highlight substring keeping original case but searching in case insensitive mode

I'm trying to write a "suggestion search box" and I cannot find a solution that allows to highlight a substring ... a way to solve this problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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744 views

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regex - Java regular expression to match _all_ whitespace characters

I'm looking for a regular expression in Java which matches all whitespace characters in a String. "s" matches only ... hidden I repeat it here. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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