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Questions tagged regex

1150 questions · page 19 of 23

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238
votes
14
answers

Replacing all non-alphanumeric characters with empty strings

java regex non-alphanumeric
asked 2009-11-26T20:28:42.157
31
votes
12
answers

Using regex to extract username from email address

php regex preg-match
asked 2009-11-25T16:58:37.997
168
votes
8
answers

Explode string by one or more spaces or tabs

php regex explode
asked 2009-11-24T21:12:57.907
12
votes
2
answers

How to run command over multiple buffers/tabs to remove trailing spaces?

regex vim scripting replace
asked 2009-11-23T11:21:16.980
19
votes
4
answers

Regular expression matching everything except a given regular expression

python regex
asked 2009-11-23T07:17:03.583
19
votes
3
answers

Check to see if a string matches a pattern

php regex string
asked 2009-11-21T23:08:51.973
11
votes
3
answers

Regex for non-alphabets and non-numerals

c# regex
asked 2009-11-18T09:33:10.773
118
votes
3
answers

Regular expression negative lookahead

regex regex-lookarounds
asked 2009-11-17T14:59:06.540
12
votes
6
answers

PHP: fastest way to check for invalid characters (all but a-z, A-Z, 0-9, #, -, ., $)?

php regex validation
asked 2009-11-14T23:29:47.650
29
votes
5
answers

How can I find all matches to a regular expression in Perl?

regex perl
asked 2009-11-12T16:18:46.663
100
votes
11
answers

How to match Cyrillic characters with a regular expression

regex unicode character-properties
asked 2009-11-11T17:01:44.840
13
votes
5
answers

Is there a MySQL equivalent of PHP's preg_replace?

php mysql regex replace preg-replace
asked 2009-11-10T03:17:15.243
88
votes
4
answers

How to pass a variable into regex in jQuery/Javascript

jquery regex match
asked 2009-11-08T07:09:41.497
9
votes
4
answers

How to validate an IP address with regular expression in Objective-C?

objective-c regex ip-address
asked 2009-11-05T08:40:07.710
47
votes
4
answers

Java code/library for generating slugs (for use in pretty URLs)

java regex seo url-rewriting slug
asked 2009-11-01T13:40:00.210
27
votes
4
answers

"UnicodeEncodeError: 'ascii' codec can't encode character"

regex unicode python-2.6 non-ascii-characters
asked 2009-10-31T00:07:48.547
12
votes
10
answers

Regular expression to match digits and basic math operators

regex
asked 2009-10-27T15:58:15.047
24
votes
6
answers

What regex can I use to match only letters, numbers, and one space between each word?

regex
asked 2009-10-27T12:55:05.307
11
votes
2
answers

std::regex -- is there some lib that needs to be linked?

c++ regex c++11
asked 2009-10-26T05:38:35.857
9
votes
3
answers

Regex to limit string length for strings with new line characters

asp.net regex validation
asked 2009-10-23T20:58:08.987
70
votes
5
answers

Remove all non-"word characters" from a String in Java, leaving accented characters?

java regex string
asked 2009-10-23T08:01:23.997
18
votes
8
answers

Left Trim in Javascript

javascript regex trim
asked 2009-10-20T11:08:13.593
89
votes
2
answers

C# RegEx: Ignore case... in pattern?

c# regex
asked 2009-10-18T01:14:04.997
111
votes
3
answers

What does ?= mean in a regular expression?

regex
asked 2009-10-15T07:55:01.450
9
votes
3
answers

Visual Studio regular expression for finding commented blocks of code

visual-studio regex
asked 2009-10-14T13:31:49.053
13
votes
9
answers

Best HashTag Regex

.net regex twitter
asked 2009-10-14T01:40:51.183
43
votes
5
answers

RegEx Pattern to Match Only Certain Characters

javascript regex
asked 2009-10-12T17:17:14.037
33
votes
5
answers

Weird backslash substitution in Ruby

ruby regex backslash
asked 2009-10-09T06:59:14.027
9
votes
3
answers

groovy list indexOf

regex groovy
asked 2009-10-08T21:53:00.960
50
votes
8
answers

United States Banking Institution Account Number Regular Expression?

regex
asked 2009-10-08T20:37:01.833
63
votes
4
answers

How can I invert a regular expression in JavaScript?

javascript regex
asked 2009-10-08T15:20:41.893
15
votes
4
answers

Regex to split a string only by the last whitespace character

php regex string split
asked 2009-10-07T10:53:57.583
17
votes
5
answers

Parse html using C

html c regex parsing
asked 2009-10-06T20:20:03.753
13
votes
6
answers

Create a program that inputs a regular expression and outputs strings that satisfy that regular expression

regex computer-science
asked 2009-10-05T22:36:56.990
24
votes
9
answers

Get Root Domain of Link

python regex dns root
asked 2009-10-05T18:16:12.743
19
votes
5
answers

grep egrep multiple-strings

regex grep
asked 2009-10-03T20:06:00.903
43
votes
3
answers

hgignore: help ignoring all files but certain ones

regex mercurial hgignore
asked 2009-10-02T22:15:30.133
234
votes
15
answers

Detect URLs in text with JavaScript

javascript regex url
asked 2009-09-30T19:41:40.497
137
votes
14
answers

Remove HTML Tags in Javascript with Regex

javascript regex
asked 2009-09-30T18:31:36.590
92
votes
10
answers

Replacing   from javascript dom text node

javascript regex html-entities
asked 2009-09-30T02:18:11.553
48
votes
15
answers

Regular expression for matching time in military (24 hour) format

javascript regex time
asked 2009-09-29T20:12:26.720
28
votes
7
answers

Extracting matches after colons from a predictably formatted string

php regex text-extraction
asked 2009-09-29T14:40:31.557
11
votes
9
answers

Regular Expression for domain from email address

.net regex email-address
asked 2009-09-28T15:46:17.763
10
votes
7
answers

what is the cleanest way to remove all extra spaces from a user input comma delimited string into an array

c# regex arrays string
asked 2009-09-27T14:11:26.983
58
votes
6
answers

SELECT only rows that contain only alphanumeric characters in MySQL

mysql regex
asked 2009-09-24T12:57:05.007
18
votes
2
answers

How to decompile a regex?

python regex
asked 2009-09-22T15:09:24.937
23
votes
10
answers

What are some of the most useful regular expressions for programmers?

regex
asked 2009-09-19T23:44:33.943
12
votes
3
answers

Java equivalent of JavaScript's String.match()

java javascript regex
asked 2009-09-19T16:31:23.127
9
votes
3
answers

Javascript storing regex in a variable

javascript regex
asked 2009-09-15T15:08:20.703
188
votes
22
answers

How to extract base URL from a string in JavaScript?

javascript regex string url
asked 2009-09-14T10:58:16.343
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