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REGEX QUESTIONS

Regex - Ignore lines with matching text
Regex - Ignore lines with matching text
wish help you to fix your issue If your regular expression implementation supports look-ahead assertions, try this:
TAG : regex
Date : November 27 2020, 07:01 PM , By : HellowWorld
extjs input text maskRe
extjs input text maskRe
this will help Made the same validation yesterday and had the similar problems :-)You're mistaking maskRe with regex. regex will validate the whole string, maskRe will filter char input. therefore specify the full validation regex in regex, and only
TAG : regex
Date : November 26 2020, 07:01 PM , By : Chathuri Dhanushka
regex question: independent position of words
regex question: independent position of words
like below fixes the issue You can use positive lookaheads. For example,
TAG : regex
Date : November 26 2020, 07:01 PM , By : Iulian932
Regex to match words and those with an apostrophe
Regex to match words and those with an apostrophe
Hope that helps Update: As per comments regarding the ambiguity of my question, I've increased the detail in the question. , Try using this: (?=.*\w)^(\w|')+$
TAG : regex
Date : November 25 2020, 07:01 PM , By : aragornn
How do I use a regular expression to match any string, but at least 3 characters?
How do I use a regular expression to match any string, but at least 3 characters?
fixed the issue. Will look into that further This is python regex, but it probably works in other languages that implement it, too.I guess it depends on what you consider a character to be. If it's letters, numbers, and underscores:
TAG : regex
Date : November 24 2020, 07:00 PM , By : Kristinn V. Ísaksson
Regular expression question
Regular expression question
around this issue I have some text like this: , This should do it:
TAG : regex
Date : November 24 2020, 07:00 PM , By : Vishal Sood
How do I remove duplicate characters and keep the unique one only in Perl?
How do I remove duplicate characters and keep the unique one only in Perl?
fixed the issue. Will look into that further This can be done using positive lookahead :
TAG : regex
Date : November 23 2020, 07:00 PM , By : pinheadlarry
Replacing all characters in a regular expression match with another character?
Replacing all characters in a regular expression match with another character?
Hope that helps With sed you need to filter out lines that don't contain Hello there using an address:
TAG : regex
Date : November 22 2020, 07:01 PM , By : dtest11
How can I extract a substring from a string using regular expressions?
How can I extract a substring from a string using regular expressions?
To fix the issue you can do This is a very language specific question but you didn't specify a language. Based on previous questions you've asked though I'm going to assume you meant this to be a C language question.For this scenario just write up a
TAG : regex
Date : November 20 2020, 07:00 PM , By : Will R.
Using regexp to search for the string matching multiple words arranged in random
Using regexp to search for the string matching multiple words arranged in random
To fix the issue you can do How can I write the regexp to match multiple words in random order? , If you insist on doing this with regex, you can use lookahead:
TAG : regex
Date : November 19 2020, 07:01 PM , By : Le_Chat_Noir
How can I print lines that match a pattern in Perl?
How can I print lines that match a pattern in Perl?
may help you . First, note that the name of the famous actor is Johnny Depp.Second, figuring out what is a sentence and what is not is tricky. I am going to cheat and use Lingua::Sentence:
TAG : regex
Date : November 18 2020, 07:00 PM , By : BrentAdonis
AWK - add value based on regex
AWK - add value based on regex
like below fixes the issue I have to add the numbers returned by REGEX using awk in linux.
TAG : regex
Date : November 16 2020, 07:01 PM , By : Judith Francisca
What is the regex patten for this?
What is the regex patten for this?
Hope that helps I am looking for a regex pattern to find all the content b/w curly brackets. For example, there is a string. , If the {} are not nested,
TAG : regex
Date : November 16 2020, 07:01 PM , By : user3860372
split the string with pattern python
split the string with pattern python
seems to work fine I have one string like following, how can I use re to split the string into I use re.find and sub that works but just take couple step any better , Perhaps you can solve this by using the split function:
TAG : regex
Date : November 15 2020, 07:01 PM , By : Shaneski
Removing everything between a tag (including the tag itself) using Regex / Eclipse
Removing everything between a tag (including the tag itself) using Regex / Eclipse
fixed the issue. Will look into that further I'm not familiar with Eclipse, but I would expect its regex search facility to use Java's built-in regex flavor. You probably just need to check a box labeled "DOTALL" or "single-line" or something similar
TAG : regex
Date : November 15 2020, 07:01 PM , By : sushma
Regex help with Google Page Monitor extension
Regex help with Google Page Monitor extension
it helps some times Awesome, to find a question about my own extension on the front page of StackOverflow.Anyway, it's easier using a selector. This should do the job: rtBtmBox p:nth-child(3). However, if that paragraph has more contents, you might n
TAG : regex
Date : November 14 2020, 07:01 PM , By : Calvin Han
Scite Lua - escaping right bracket in regex?
Scite Lua - escaping right bracket in regex?
around this issue The correct escape character in Lua is %, so what you tried should work, I just tried
TAG : regex
Date : November 12 2020, 07:00 PM , By : user3858909
Regex negative match query
Regex negative match query
I think the issue was by ths following , I've got a regex issue, I'm trying to ignore just the number '41', I want 4, 1, 14 etc to all match. , Try something like:
TAG : regex
Date : November 11 2020, 07:00 PM , By : user3858774
Regex: ignore extra characters
Regex: ignore extra characters
may help you . You could use a (dis)similarity metric, such as edit distance. For instance, the edit distance between vi.agra and viagra is 1. Then, you determine that a given word is the same as the spam word, if the edit distance between them is be
TAG : regex
Date : November 11 2020, 07:00 PM , By : Zooey Lh
Regular Expression for Decimal or Blank
Regular Expression for Decimal or Blank
hop of those help? Sorry for the potentially dumb question but I am trying to pull together a regular expression that will allow:
TAG : regex
Date : November 10 2020, 07:00 PM , By : Santosh Ban
RegEx: How can I match all characters until the next match?
RegEx: How can I match all characters until the next match?
around this issue I have a string like this: , You have this regex:
TAG : regex
Date : November 07 2020, 07:01 PM , By : Leland
URL Friendly regular expression
URL Friendly regular expression
it helps some times Can anyone help me with regular expression for this: basically I have a search form and users type in whatever keywords they want to search and when a search button is clicked, the search keyword is appended to the url (see exampl
TAG : regex
Date : November 05 2020, 07:01 PM , By : Daniel Kvernavik
How can I search and replace text that looks like Perl variables?
How can I search and replace text that looks like Perl variables?
like below fixes the issue No one likes quotemeta? Let Perl figure it out so you don't strain you eyes with all those backslashes. :)
TAG : regex
Date : November 03 2020, 07:01 PM , By : user3856117
extract substring from string in perl
extract substring from string in perl
Hope this helps I have a string like below: , I have a string like below
TAG : regex
Date : November 02 2020, 07:01 PM , By : s.wod
How do I capture the last two characters in this regex?
How do I capture the last two characters in this regex?
Hope that helps Use a capturing group for the part you want to extract:
TAG : regex
Date : November 01 2020, 07:01 PM , By : Юра Ч
Extract a sub-string from a matched string
Extract a sub-string from a matched string
like below fixes the issue I am attempting to extract a sub-string from a string after matching for 24 at the beginning of the string. The substring is a MAC id starting at position 6 till the end of the string. I am aware that a sub string method ca
TAG : regex
Date : October 31 2020, 08:00 PM , By : Sriram K
How to find multiple words on the same line in Notepad++
How to find multiple words on the same line in Notepad++
Does that help I have a 4MB log file from the Windows XP firewall which I'm trying to find lines that have both DROP and an IP and a port number. My regex-fu is weak and I'm assuming this is the reason I'm struggling. , The easiest solution should be
TAG : regex
Date : October 31 2020, 08:00 PM , By : Ricardo Leiva Sikic
Is there a way to replace the first '/' from a string conditionally?
Is there a way to replace the first '/' from a string conditionally?
Any of those help regexp_replace() only replaces the first occurrence - unless you add 'g' as optional 4th parameter, then it replaces all occurrences.You want to replace the 1st occurrence, only if there is a 2nd. Two solutions:
TAG : regex
Date : October 23 2020, 06:10 PM , By : SapphireLightning
XSD Pattern Restriction - Alternation with forward slash
XSD Pattern Restriction - Alternation with forward slash
I wish this help you The reason your pattern is failing is that by using Character Classes or Character Sets ([ ]), you're specifying that any of the listed characters are acceptable -- not what you want.You are right as for the forward slash: it is
TAG : regex
Date : October 22 2020, 06:10 PM , By : Josh Bosnir
Perl search and replace: replacing end of line replaces beginning to line too
Perl search and replace: replacing end of line replaces beginning to line too
Hope this helps I have a file [data.txt] with the following data , You could also rewrite it to:
TAG : regex
Date : October 21 2020, 06:10 AM , By : Darth
RegEx for matching numbers from 0.00 to 50.00
RegEx for matching numbers from 0.00 to 50.00
Hope that helps There is a regex for range generator here. Generated and played with it, came up with this
TAG : regex
Date : October 20 2020, 06:10 PM , By : Eric Browning
How to use grep to match a string containing [], the characters in [] are composed of uppercase and lowercase letters an
How to use grep to match a string containing [], the characters in [] are composed of uppercase and lowercase letters an
help you fix your problem grep recognizes only BREs unless one of -P, -E, and -r flags is specified. And also, parens are unneeded there.You should either use BRE equivalent of +
TAG : regex
Date : October 20 2020, 06:10 AM , By : aish
RegEx for matching everything except a text between two words
RegEx for matching everything except a text between two words
fixed the issue. Will look into that further As mentioned, the simplest way is to do a string replacement. To do the inverse is more involved and is done like this:
TAG : regex
Date : October 19 2020, 06:10 PM , By : Alejandro Rendon
RegEx for identifying a date followed by a special pattern
RegEx for identifying a date followed by a special pattern
around this issue You are only matching the date like part between the anchors to assert the start ^ and the end $ of the string.Note that if you only want to match the value you can omit the parenthesis () to make it a capturing group around the exp
TAG : regex
Date : October 19 2020, 06:10 AM , By : user6021189
RegEx for transforming the next text using PhpStorm's search and replace dialog
RegEx for transforming the next text using PhpStorm's search and replace dialog
like below fixes the issue I need to transform text using regex , Given your text, you can use this regex,
TAG : regex
Date : October 19 2020, 06:10 AM , By : PraDeep
RegEx capturing group in Elixir
RegEx capturing group in Elixir
Does that help I'm not able to understand why the last % is repeated after matching the regex.
TAG : regex
Date : October 18 2020, 06:10 PM , By : Harsha Kantha
Change formatting of inline comments from // to /* */
Change formatting of inline comments from // to /* */
Hope that helps I have a C file with multiple inline comments that begin with //.
TAG : regex
Date : October 17 2020, 06:10 AM , By : Vijay
Parsing multiline quoted strings in a large file
Parsing multiline quoted strings in a large file
it helps some times Your input has Perl-style comments, Perl-style fat commas to associate English and foreign text, and even the Perl q{} construction. It seems like you really want to use Perl to analyze this file. If that's the case (and if you ca
TAG : regex
Date : October 17 2020, 06:10 AM , By : Chirag Ahuja
RegEx for removing lines that have the same id in Notepad++
RegEx for removing lines that have the same id in Notepad++
With these it helps I am trying to remove lines with the same id in Notepad++.I have a .txt file that has the following structure with the same id , This should work:Match:
TAG : regex
Date : October 15 2020, 06:10 PM , By : ricscar2570
RegEx for substituting only to the left of LaTeX comments
RegEx for substituting only to the left of LaTeX comments
This might help you One way: Extract all text up to (unescaped) % then run replacement in that
TAG : regex
Date : October 14 2020, 06:10 PM , By : DJ_Dichotomy
How to match a 10-char string ending with 2 Digits?
How to match a 10-char string ending with 2 Digits?
this will help Well, without knowing what flavor you're using (If it's PHP or python, e.t.c) it's a bit harder to give you an answer but try this:
TAG : regex
Date : October 14 2020, 07:00 AM , By : Urias Trujillo
Parse default Salt highstate output
Parse default Salt highstate output
it fixes the issue I'm trying to parse the highstate output of Salt has proven to be difficult. Without changing the output to json due to the fact that I still want it to be human legible.
TAG : regex
Date : October 14 2020, 03:00 AM , By : Ryan Chen
Why does Scala regexp work differently in pattern matching
Why does Scala regexp work differently in pattern matching
I wish this help you The number of arguments to a regex pattern should match the number of capturing group in the regex. Your regex does not have any capturing groups, so there should be zero arguments:
TAG : regex
Date : October 14 2020, 02:00 AM , By : Ruba Abualhija
RegEx for extracting a value from URLs
RegEx for extracting a value from URLs
Any of those help I have the following string, I would like to extract POOL using regex. , Below example for BigQuery Standard SQL
TAG : regex
Date : October 14 2020, 01:00 AM , By : Suleyman Mansuroglu
Regex match between parenthesis stopping at first space within parenthesis
Regex match between parenthesis stopping at first space within parenthesis
will help you I have a string like some data (920 seconds) and want to extract only 920. , You can use a capture group to get your substring:
TAG : regex
Date : October 14 2020, 01:00 AM , By : Eunbee Jo
How to replace some patterns with whitespace in perl?
How to replace some patterns with whitespace in perl?
I wish this helpful for you Looks like your regex is too complicated (and, therefore, too likely to be wrong). If you want to delete everything after params: then just do that.
TAG : regex
Date : October 13 2020, 09:00 PM , By : Javier Rodriguez
RegEx for extracting part of HTML elements
RegEx for extracting part of HTML elements
hope this fix your issue If only the SOLD OUT text is undesired, we could add a simple right boundary next to that, something similar to:
TAG : regex
Date : October 13 2020, 07:00 PM , By : Alejandro
Extract a specific term 'hardrock'
Extract a specific term 'hardrock'
will help you This may work, but each match also includes the character following which you may not want.
TAG : regex
Date : October 13 2020, 07:00 PM , By : Spielberg
Using htaccess, how do you re-write for parameters over 8 characters or more only?
Using htaccess, how do you re-write for parameters over 8 characters or more only?
wish helps you Using .htaccess file, I am trying to re-write the URL when the 'folder' is 8 or more characters long only. In other words: , How about:
TAG : regex
Date : October 13 2020, 04:00 PM , By : Michael Knott
Regular expression cannot match "</p>" correctly
Regular expression cannot match "</p>" correctly
around this issue With .* the match will be greedy and match the longest substring possible. (Which is in your case until the last paragraph.)What you actually want is a non-greedy match with .*?
TAG : regex
Date : October 13 2020, 01:00 PM , By : a.rana
Need regex pattern for input text box allowing numbers between 0 to 100 and up to 2 decimals eg., 0.22 to 100.00
Need regex pattern for input text box allowing numbers between 0 to 100 and up to 2 decimals eg., 0.22 to 100.00
With these it helps In your pattern you include matching spaces which have meaning.Without the spaces the pattern would be ^100(\.[0]{1,2})?|([0-9]|[1-9][0-9])(\.[0-9]{1,2})?$
TAG : regex
Date : October 13 2020, 12:00 PM , By : M. Jeffrey
Regex to extract name from a string
Regex to extract name from a string
I hope this helps . You can use the following PCRE regex (as you haven't precised which language):
TAG : regex
Date : October 13 2020, 10:00 AM , By : Tofik Man
Why is 1100 matched by /(0*1(00)*10*)*/?
Why is 1100 matched by /(0*1(00)*10*)*/?
I hope this helps you . You match the first 1. Then (00)* doesn't match anything so you still have a 1. Then you match 1 followed by zero or more 0's. So you have 11. then 0* or matches 00. So 1100. 0*1 matches the first 1. (00)*1 matches the second
TAG : regex
Date : October 13 2020, 10:00 AM , By : mkhiabanee
Preventing a regex from matching by using a negative look behind
Preventing a regex from matching by using a negative look behind
fixed the issue. Will look into that further You already know that you have to drop that + from [a-z]+ in order to get the expected results. But you may ask why? See the following behaviors.with [a-z]+, that lookbehind starts to assert at the followi
TAG : regex
Date : October 13 2020, 08:00 AM , By : deepa
Is sed auto in-place substitution?
Is sed auto in-place substitution?
hop of those help? As for "why it's happening": sed takes the input line by line, then applies each command sequentially. This becomes more clear if you look at the debug output of GNU sed (4.6 or newer) for your command:
TAG : regex
Date : October 13 2020, 03:00 AM , By : achuth pv
RegEx for identifying alphanumeric patterns with special chars and boundaries
RegEx for identifying alphanumeric patterns with special chars and boundaries
this one helps. For your test data, you can try the following regular expression -(f)-?(\d+)(?:\s*([-+/]\d+))?.
TAG : regex
Date : October 13 2020, 02:00 AM , By : GugntLEE
Regex for patterns like [ABC], ABC and ABCxx where xx is a number
Regex for patterns like [ABC], ABC and ABCxx where xx is a number
I wish this help you I have a text whose length can vary between 1 and 1000. I am looking to get the following sub strings extracted from the text.
TAG : regex
Date : October 12 2020, 11:00 PM , By : Yasir Merchant
Regex remove first section and optional last section
Regex remove first section and optional last section
Hope this helps I need to use a regular expression to match ci- which will always be there, but then match the optional -l, -s, -r, so then I can extract the middle part, but as you can see some of the below examples have got dashes separating other
TAG : regex
Date : October 12 2020, 10:00 PM , By : William Bowling
regex pattern not fit well for code like assignment
regex pattern not fit well for code like assignment
With these it helps i am trying to use a regular expression to match expression like code assignment for example: , You may use
TAG : regex
Date : October 12 2020, 08:00 PM , By : score123
Regex to encode an URL with special characters
Regex to encode an URL with special characters
wish helps you It sounds more like your trying to encode things to make them more appropriate for a URL, which does not require you to write your own regex in most platforms.For instance, in Python, there's the function urllib.parse.urlencode which w
TAG : regex
Date : October 12 2020, 05:00 PM , By : Jesse K

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