Recent questions tagged regex

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regex - Command line to match lines with matching first field (sed, awk, etc.)

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

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1.5k views

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regex - How to remove curly braces, apostrophes and square brackets from dictionaries in a Pandas dataframe (Python)

I have the following data in a csv file: from StringIO import StringIO import pandas as pd the_data = """ ABC,2016-6-9 0:00,95,{'//PurpleCar': [115L], ' ... ("{") and after the closing curly brace ("}"). 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 - Replace superscript and subscript chars from a string Javascript

I want to remove all superscript and subscript chars from the text. Exp: '?'. I found an example on stackoverflow, but it only considers superscript numbers ... one by one but that is a bit impractical. 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 replace all characters in a string except first and last characters, using JavaScript

I need to write a solution in JavaScript to replace all the characters in a string with a *, except for the first and last characters. I'm not very ... log(censored) Any ideas on 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 - regular expression: a line of string contains only float numbers and tab/spaces

what the regular expression of a line of string containing ONLY float numbers separated with spaces or tabs. The float number can be negative, like -999.999 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 - Ignore part of a string when splitting using regular expression in R

I'm trying to split a string in R (using strsplit) at some specific points (dash, -) however not if the dash are within a string in brackets ... with no brackets... Any help would 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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regex - How to remove the , and spaces between the strings in java?

How do you remove the , and spaces between strings in java? 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 - list.files pattern argument in R, extended regular expression use

I run dir.create('./junk_data') file.create(paste('./junk_data/QWE',01:12,01:31,2005:2015,'.3',sep='')) file.create(paste('./junk_data/RTY',01:12, ... I want. I tried a few tutorials on regex, but no joy. 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 replace last occurrence of a word in javascript?

for example: var str=" hi hi"; to replace the last(second) , to change into " hihi" I tried： str.replace(/ (.*?)$/,1); but it's wrong. What's the right version? See Question&Answers more detail:os...

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

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933 views

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regex - Powershell replace lose line breaks

I am a newbie in powershell. I have a simple powershell script that just replace text but I found that the regex replace turn my multiline data ... here Have I missed something obvious? Thanks, Fadrian 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 VBScript to find and replace all multi-line text between curly braces of a node within a JSON file

As part of a Windows logon script (hence the VBScript requirement), I would like to set values in a user's Google Chrome preferences (stored in a ... Replace function, but my RegEx knowledge is limited. 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 email from text usin notepad++ and regexp

I have a lot of text simmilar to this Джамал Выбрать...АссистентБухгалтерВедущий специалистВладелецДокторДиректорЗаведующийЗам.директораГл.редакторГл.продавецГл.бухгалтерГен. ... wha tim looking for See Question&Answers more detail:os...

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

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804 views

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regex needed to strip out domain name

I need a regexp to strip out just the domain name part of a url. So for example if i had the following url: http://www.website-2000.com the ... does to help me understand it that would be great. 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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863 views

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regex - Difficulties with adding spaces around equal signs using regular expressions with Notepad++

I am currently trying to improve the readability of some of my python scripts by adding spaces around the equal signs. For example, currently an assignment ... not sure if this is the intended behaviour. See Question&Answers more detail:os...

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

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789 views

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regex - Extract occurrence of text between brackets from a text file Python

Log file: INFO:werkzeug:127.0.0.1 - - [20/Sep/2018 19:40:00] "GET /socket.io/?polling HTTP/1.1" 200 - INFO:engineio: Received packet MESSAGE, ["key",{"data ... "data":{"tag1":12,"tag2":13,"tag3": 14"...}} See Question&Answers more detail:os...

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

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665 views

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regex - Removing all non-letter chars from a string with accents in Python

I'm trying to delete all non-letter chars (except white-space) from a string containing accents using Python 3.7. I tried the following: import re text = ... a string, but keep the accents on the chars? See Question&Answers more detail:os...

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

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547 views

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regex - htaccess clean urls & replacing whitespaces and %20 with -

I'm strugling to make this work. At the moment my htaccess contains the following code: #Debugging - Error reporting php_flag display_startup_errors on php_flag ... domain.com/this-is-a-test/hello-there See Question&Answers more detail:os...

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

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689 views

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regex - What do I need to quote in sed command lines?

There are many questions on this site on how to escape various elements for sed, but I'm looking for a more general answer. I understand that I might want ... ? It's perfect and it does all the things. See Question&Answers more detail:os...

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

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708 views

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regex - Why is Apache removing multiple slashes?

This RewriteRule RewriteRule ^test/(.*)$ test.php?url=$1 On this URL mysite.com/test//one///two////three/// Is giving me this result $1=url ... or add a redirect to this behaviour? Thank 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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807 views

1 answer

regex - how to remove words of specific length in a string in R?

I want to remove words of length less than 3 in a string. for example my input is str<- c("hello RP have a nice day") I want my output to be str<- c("hello have nice day") Please 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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regex - C# Regular Expressions with Uxxxxxxxx characters in the pattern

Regex.IsMatch( "foo", "[U00010000-U0010FFFF]" ) Throws: System.ArgumentException: parsing "[-]" - [x-y] range in reverse order. Looking at the hex ... formed with U split into two chars in the string? See Question&Answers more detail:os...

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

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921 views

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regex - Count occurrences of a word in a row in MySQL

I'm making a search function for my website, which finds relevant results from a database. I'm looking for a way to count occurrences of a word, ... the number of such occurences within a single row? See Question&Answers more detail:os...

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

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880 views

1 answer

regex - Help understanding global flag in perl

As far as I know in perl global '/g' flag means that search will replace/return all the matches throughout the string. But I am not able ... matching occurs only once. Can someone explain this behaviour. See Question&Answers more detail:os...

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

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914 views

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regex - regular expression - match word only once in line

Case: ehello goodbye hellot hello goodbye ehello goodbye hello hello goodbye I want to match line 1 (only has 'hello' once!) DO NOT want to match line ... behind and what not... without any real success.. 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

1 answer

regex - Replace all tag with space in javascript

Having trouble with very simple thing, How to properly replace all and in the string with the empty space? This is what I'm trying to use, ... str.replace(new RegExp(find, 'g'), replace); } See Question&Answers more detail:os...

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

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707 views

1 answer

regex - PHP: How do I get the string indexes of a preg_match_all?

let's say I have two regexp's, /eat (apple|pear)/ /I like/ and text "I like to eat apples on a rainy day, but on sunny days, ... through the text every single time? EDIT: SOLUTION PREG_OFFSET_CAPTURE ! 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

1 answer

regex - Pattern/Matcher group() to obtain substring in Java?

UPDATE: Thanks for all the great responses! I tried many different regex patterns but didn't understand why m.matches() was not doing what I think it should be doing. ... ()); // <- change to m.group(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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1.1k views

1 answer

regex - Java: splitting a comma-separated string but ignoring commas in parentheses

I have a string like this: one,two,3,(4,five),six,(seven),(8,9,ten),eleven,(twelve,13,14,fifteen) the above string should split into: one two 3 (4,five) six (seven) (8,9,ten) eleven (twelve,13,14,fifteen) See Question&Answers more detail:os...

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

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