Recent questions tagged regex

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regex - Can I turn on extended regular expressions support in Vim?

The characters for extended regular expressions are invaluable; is there a way to turn them on so that I don't have ... I can pass to grep(1)? 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 regular expressions: performance and alternative

Recently I have been had to search a number of string values to see which one matches a certain pattern ... for java regular expressions. 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 - sed - Commenting a line matching a specific string AND that is not already commented out

I have the following test file AAA BBB CCC Using the following sed I can comment out the BBB line. # sed -e ... ideas how I can achieve 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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regex - Javascript replace method, replace with "$1"

I'm reading Sitepoints 2007 book "Simply Javascript" and I encountered some code I just can't understand. It's ... the found pattern with "". 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 - Convert a string to regular expression ruby

I need to convert string like "/[ws]+/" to regular expression. "/[ws]+/" => /[ws]+/ I tried using ... it is and convert to a regexp object? See Question&Answers more detail:os...

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

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956 views

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regex - Javascript regular expression: remove first and last slash

I have these strings in javascript: /banking/bonifici/italia /banking/bonifici/italia/ and I would like to ... "simple" regular expression. 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 do I do a case insensitive regular expression in Go?

Now, of course, I could write my regular expression to handle both cases, such as regexp.Compile("[a-zA-Z]") ... know if there is another 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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regex - Using JavaScript to check whether a string contains Japanese characters (including kanji)

How can I check whether a given string contains one or more Japanese characters (consisting of kana and/or ... many incorrectly-marked divs. 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 - Efficiently querying one string against multiple regexes

Lets say that I have 10,000 regexes and one string and I want to find out if the string matches any of them and ... I want both of them to hit. 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 - bash, extract string before a colon

If I have a file with rows like this /some/random/file.csv:some string /some/random/file2.csv:some string2 Is ... perl or python is also ok. See Question&Answers more detail:os...

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

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740 views

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regex - Best way to extract MAC address from ifconfig's output?

What is the best way to extract the MAC address from ifconfig's output? Sample output: bash-3.00# ifconfig eth0 ... one method over the other. 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 to get all the values that contains part of a string using mongoose find?

I have the following problem retrieving data from MongoDB using mongoose. Here is my Schema: const BookSchema = new Schema ... it out on my own. See Question&Answers more detail:os...

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

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585 views

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regex - How does :g/^$/,/./-j (reduce multiple blank lines to a single blank) work in vim?

In the article, Vim Regular Expressions, Oleg Raisky gives the following command to reduce multiple blank lines to a single ... /,/./-j does. See Question&Answers more detail:os...

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

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1.1k views

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regex - Javascript regular expression password validation having special characters

I am trying to validate the password using regular expression. The password is getting updated if we have all the ... ); return false; } } See Question&Answers more detail:os...

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

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850 views

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regex - How do I negate a test with regular expressions in a bash script?

Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with ... then PATH=$PATH:$TEMP; fi export PATH See Question&Answers more detail:os...

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

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644 views

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regex - How can I remove the string " " from within a Ruby string?

I have this string: "some text andsomemore" I need to remove the " " from it. I've tried "some text ... I do it? Thanks for reading. See Question&Answers more detail:os...

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

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747 views

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regex - Regular Expression patterns for Tracking numbers

Does anybody know good place or patterns for checking which company tracking number is the given tracking number for a ... it was shipped by. See Question&Answers more detail:os...

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

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1.1k views

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regex - Capitalize first letter of each word in a selection using Vim

In Vim, I know we can use ~ to capitalize a single char (as mentioned in this question), but is there a way to ... how should I do it in Vim? See Question&Answers more detail:os...

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

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767 views

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regex - Remove empty lines in text using Visual Studio

How to remove empty lines in Visual Studio? 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 - Add quotation at the start and end of each line in Notepad++

I have a list (in a .txt file) which I'd like to quickly convert to JavaScript Syntax, so I want to take ... a great benefit to me. Many thanks See Question&Answers more detail:os...

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

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872 views

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regex - How can I exclude one word with grep?

I need something like: grep ^"unwanted_word"XXXXXXXX See Question&Answers more detail:os...

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

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876 views

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regex - Validating credit card format using regular expressions?

I have an assignment that requires me to validate certain credit card formats using regular expressions. For example ... begins with 35 Thanks! See Question&Answers more detail:os...

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

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772 views

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regex - Re-use of a regular expression capture group in Python

The following python code does work but the regular expression 'search' is evaluated twice: # my_string varies, ... evaluated group just once? See Question&Answers more detail:os...

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

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1.3k views

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regex - replacing square brackets of a string with oracle REGEXP_REPLACE function

I want to replace square brackets in string with REGEXP_REPLACE function. Even I escape these chracters it's not ... ? Am I missing something? 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 do I mask/hide an IP address (string) using PHP and Regular Expression

I would like to hide the last two sections from an IP address using regular expression the problem is that the ... for a "oneliner" solution. See Question&Answers more detail:os...

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

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859 views

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regex - asterisk and Plus definition issue

I start reading Regex, and in article i find these : The asterisk or star tells the engine to attempt to ... ? any help will be appreciated. See Question&Answers more detail:os...

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

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610 views

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regex - Javascript simple regexp doesn't work

I have this code, it looks alright and is really basic, but i can't make it work: function checkValid(elem){ ... 8, what's wrong here? Thanks. See Question&Answers more detail:os...

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

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685 views

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regex - Extract values from HTML TD and Tr

I have some HTML source that i get from a website for option quotes. (please see below) What is the best way to extract ... </a></td>--> </tr> See Question&Answers more detail:os...

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

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