Recent questions tagged RegEx

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885 views

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regex - CMake: how to get the backslash literal in Regexp replace?

I am trying to replace forwardslashes with backslashes. To do that i have the following line of code: STRING(REGEX ... me out? Thanks, Wouter See Question&Answers more detail:os...

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

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748 views

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regex - Clean Python Regular Expressions

Is there a cleaner way to write long regex patterns in python? I saw this approach somewhere but regex in python doesn't ... (r' +|s{2}') ] See Question&Answers more detail:os...

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

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600 views

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regex - How can I use a regular expression to validate month input?

I am setting up this example Perl snippet to validate for months in a date: Some scenarios I want to accept are: MM ... , 14, etc... what gives? See Question&Answers more detail:os...

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

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722 views

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regex - How to make sed remove lines not matched by a substitution

I basically want to do this: cat file | grep '<expression>' | sed 's/<expression>/<replacement>/g ... expression in the substitute command? See Question&Answers more detail:os...

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

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799 views

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regex - How to non-greedy multiple lookbehind matches

Source: <prefix><content1><suffix1><prefix><content2><suffix2> Engine: PCRE RegEx1: (?<=<prefix>)(.*)(?=< ... myself. Thanks for the help Art See Question&Answers more detail:os...

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

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609 views

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regex - Java Pattern print capturing groups

((d{1,2})/(d{1,2})/(d{2,4})) Is there a way to retrieve a list of all the capture groups with the Pattern ... (String[] args) { new App(); } } 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 - Regular Expression (C#) For CSV by RFC 4180

Requires universal CSV parser by specification RFC 4180. There is the csv file, with all the problems of the ... ,, 123,123 Expected Results 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 - How do I replace part of a string in C#?

Supposed I have the following string: string str = "<tag>text</tag>"; And I would like to change 'tag' to ' ... optional [/] in my result... See Question&Answers more detail:os...

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

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782 views

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regex - Matching UTF Characters with preg_match in PHP: (*UTF8) Works on Windows but not Linux

I have a simple regular expression to check a username: preg_match('/(*UTF8)^[[:alnum:]]([[:alnum:]]|[ ... will work for all operating systems? See Question&Answers more detail:os...

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

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762 views

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regex - Regular expression for parsing CSV in PHP

I already managed to split the CSV file using this regex: "/,(?=(?:[^"]"[^"]")(?![^"]"))/" But I ... is there a better way ? 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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876 views

1 answer

regex - How to parse a command line with regular expressions?

I want to split a command line like string in single string parameters. How look the regular expression for it. The ... param 1, param2, param 3 See Question&Answers more detail:os...

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

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869 views

1 answer

regex - Reverse case of all alphabetic characters in C# string

What is the simplest way to reverse the case of all alphabetic characters in a C# string? For example " ... new string(caseSwappedChars); } 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 - How to replace string and preserve its uppercase/lowercase

I want to replace one string with the other in Perl; both are of the same length. I want to replace all occurrences ... way to do this in Perl? 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

1 answer

regex - What is the best way to check URL change with Selenium in Python?

So, what's I want to do is to run a function on a specific webpage (which is a match with my regex ... WebDriverWait but not really sure how. 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

1 answer

regex - Java String's split method ignores empty substrings

It occured to me today the behavior of java String.split() is very strange. Actually I want to split a ... .String api? Thanks in advance. See Question&Answers more detail:os...

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

0 votes

706 views

1 answer

regex - How to match emoticons with regular expressions?

I need to capture smiley faces like :) :P :-P =) :D ;) And so on, along with general text. This ... work using any of the solutions proposed. See Question&Answers more detail:os...

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

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985 views

1 answer

regex - Putting space in camel case string using regular expression

I am driving my question from add a space between two words. Requirement: Split a camel case string and put ... I have put my requirements. See Question&Answers more detail:os...

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

0 votes

795 views

1 answer

regex - Removing leading zeros from alphanumeric characters in R

I have a character vector d with alphanumeric characters d <- c("012309 template", "separate 00340", "00045", ... 98" "3405 garage" "matter908" See Question&Answers more detail:os...

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

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624 views

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regex - How can I extract a string between tags usings C#?

Say I have a string such as below: "Unneeded text Needed Text More unneeded text" How can ... looks like hieroglyphics to me. See Question&Answers more detail:os...

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

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598 views

1 answer

regex - Python: Split string by list of separators

In Python, I'd like to split a string using a list of separators. The separators could be either commas or ... would be even better. Thanks! See Question&Answers more detail:os...

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

0 votes

555 views

1 answer

regex - Why do regular expressions in Java and Perl act differently?

My understanding is that Java's implementation of regular expressions is based on Perl's. However, in the ... reason for the difference? See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

regex - IPV6 address into compressed form in Java

I have used Inet6Address.getByName("2001:db8:0:0:0:0:2:1").toString() method to compress IPv6 address, and ... help me? 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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705 views

1 answer

regex - Using sed between specific lines only

I have this sed command for removing the spaces after commas. sed -e 's/,s+/,/g' example.txt How can i ... .g. between second and third lines). See Question&Answers more detail:os...

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

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693 views

1 answer

regex - Variable length look-behind

Is there any elegant solution to build a variable length look-behind regex such as this one ? /(?<=eat_(apple| ... I forget this bad idea ? See Question&Answers more detail:os...

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

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835 views

1 answer

regex - Matching a multiple lines pattern via PHP's preg_match()

How can I match subject via a PHP preg_match() regular expression pattern in this HTML code: <table border ... using some multiple line pattern. See Question&Answers more detail:os...

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

0 votes

867 views

1 answer

regex - Is it possible to replace to uppercase in Visual Studio?

Is it possible to replace to upper case in Visual Studio using "Find and Replace" dialog and RegEx (?) à la: . => ... I want: _Ablabla See Question&Answers more detail:os...

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

0 votes

568 views

1 answer

regex - Matching a Unicode "name" with a JavaScript Regular Expression

In JavaScript we can match individual Unicode codepoints or codepoint ranges by using the Unicode escape sequences, ... better Unicode support? See Question&Answers more detail:os...

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

0 votes

550 views

1 answer

regex - BASH regexp matching - including brackets in a bracketed list of characters to match against?

I'm trying to do a tiny bash script that'll clean up the file and folder names of downloaded episodes of some tv ... "${BASH_REMATCH[1]}"/} done See Question&Answers more detail:os...

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

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