Recent questions tagged REGEX

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regex - Javascript: how to pass found string.replace value to function?

When I have something like this: var str = "0123"; var i = 0; str.replace(/(d)/g,function(s){i++;return s; ... function (in this case 0,1,2,3) ? See Question&Answers more detail:os...

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

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regex - How can I camelcase a string in php

Is there a simple way I can have php camelcase a string for me? I am using the Laravel framework and I want ... out is the camel casing... 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 - Retrieving python 3.6 handling of re.sub() with zero length matches in python 3.7

handling of zero length matches has changed with python 3.7. Consider the following with python 3.6 (and previous) ... matches with python 3.7? 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 - python time format check

At python, I want to check if the input string is in "HH:MM" such as 01:16 or 23:16 or 24:00. ... I achieve this by using 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 - Issue with a Look-behind Regular expression (Ruby)

I wrote this regex to match all href and src links in an HTML page; (I know I should be using a parser ... going wrong with the look-behind? 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 simulate negative lookbehind in Go

I'm trying to write a regex that can extract a command, here's what I've got so far using a ... does the same without negative lookbehind? 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 - Extract text and links from HTML using Regular Expressions

I would like to extract text from an html document keeping the links inside it. for example: From this HTML ... do not allow inverse matching. 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 - Regular expressions: Matching if number is greater then...?

I am in the need of an regexp that checks if one numerical value is greater then another value. Pretty much like I would ... -9]+[0-9]+$ 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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regex - PHP Regular Expression: string from inside brackets

I have a string: $a = "Name[value]"; How do I get the 'Name' and 'value' portions of string into ... that great at regular expressions. 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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regex - How to use J modifier in php?

From the php docs J (PCRE_INFO_JCHANGED) The (?J) internal option setting changes the local PCRE_DUPNAMES option. ... warning (not working)? 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 - HTML5 Validate Text input using pattern containing quote

This is not one of these "help me build my regex" questions. I have an HTML form input field where a user ... not do anything with that regex. 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 - Regular expression matching a sequence of consecutive words with spaces except for the last space

I have a list of words and I want to match any combination of those words. Assume that I have the words apple, ... that last space at the end? 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 - Positive lookahead not working as expected

I have the following regex with a positive lookahead: /black(?=hand)[ s]/ I want it to match blackhands or ... Regex101. What am I doing wrong? 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 - C++ Compare and replace last character of stringstream

I would like to check the following: If the last character appended to the stringstream is a comma. If it is ... "extracted_parameters" << "," } 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 - Remove everything after a string in a data frame column with missing values

I have a data frame resembling the extract below: Observation Identifier Value Obs001 ABC_2001 54 Obs002 ABC_2002 -2 ... frame the way it is 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 - Replacing caret characters with sed

I have lines in a file that look like this: FA General,1234567^^^^^FA Student Letter- General^<<undefined>>^\ ... .txt What am I missing 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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regex - Regular expression matching A, B, and AB

I would like to create a regular expression that matches A, B, and AB, where A and B are quite complex ... without repeating neither A nor B? 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 string exec strange behavior

have funciton in my object which is called regularly. parse : function(html) { var regexp = /...some ... match always returns proper 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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regex - JavaScript regexp repeating (sub)group

Is it possible to return all the repeating and matching subgroups from a single call with a regular expression? For ... and $ cannot be used. 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 insert newline character after comma in `),(` with sed?

How to insert newline character after comma in ),( with sed? $ more temp.txt (foo),(bar) (foobar),( ... foofoobar) Why this doesn't work? 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 - Validate folder name in C#

I need to validate a folder name in c#. I have tried the following regex : ^(.*?/|.*?\)?([^ ... e Driveletter:foldername Can anyone suggest why? 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 - Regular expression to confirm whether a string is a valid Python identifier?

I have the following definition for an Identifier: Identifier --> letter{ letter| digit} Basically I have an ... am I doing wrong 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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regex - How do I replace an asterisk in Javascript using replace()?

Using JQuery, I'm extracting the value from what is essentially a query box for some data in a MySQL database ... or something I'm overlooking. 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 - Does re.compile() or any given Python library call throw an exception?

I can't tell from the Python documentation whether the re.compile(x) function may throw an exception (assuming you ... s) and what those are? See Question&Answers more detail:os...

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

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1.2k views

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regex - Oracle SQL: the insert query with REGEXP_SUBSTR expression is very long ( split string )

I must insert into table 2 fields (first the Primary key(about the articles) and the second concerns their size ... this point? Thanks & Regards 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 - generate a regexp from a numeric range

I'd like to generate a (series of) regexp(s) from a numeric range. Example: 1013 - 4044 => regexp matches - ... java, clojure, perl... 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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1.2k views

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regex - how to get URL host using php

I would like to get the host name of any url for example if i've the following url $url = "http://www.google. ... idea how to do it , 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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1.3k views

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regex - Extract multiple lines of text between two key words from shell command in powershell

I have a shell command I'd like to extract data from using Powershell. The data I need will always sit between ... ready to give up on 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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