Recent questions tagged Regex

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

What is fast and succinct way to match lines from a text file with a matching first field. Sample input: a| ... . I need a streaming method. 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 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, ... 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 ... 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 ... 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 ... 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 ... ... 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='')) ... 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 ... '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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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 ... 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' ... 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. ... 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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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 ... 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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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 ... 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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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: ... 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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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 ... 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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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 ... -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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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 ... 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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regex - Why is Apache removing multiple slashes?

This RewriteRule RewriteRule ^test/(.*)$ test.php?url=$1 On this URL mysite.com/test//one///two//// ... 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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2.3k views

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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 ... ("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 ... 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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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 ... 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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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 ... 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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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 ' ... . 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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2.6k views

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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 ... 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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2.2k views

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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 ... 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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2.1k views

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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( ... 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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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 ... ,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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