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Questions tagged regex

1150 questions · page 22 of 23

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11
votes
3
answers

How do I handle special characters in a Perl regex?

regex perl
asked 2009-02-23T03:20:38.647
76
votes
8
answers

Regular Expression: Allow letters, numbers, and spaces (with at least one letter or number)

javascript regex
asked 2009-02-23T00:43:54.200
20
votes
5
answers

How to use regular expressions to match everything before a certain type of word

java regex
asked 2009-02-17T23:48:38.803
100
votes
13
answers

In Javascript, how can I perform a global replace on string with a variable inside '/' and '/g'?

javascript regex string
asked 2009-02-12T16:49:52.467
97
votes
8
answers

Regular expression: match start or whitespace

python regex
asked 2009-02-08T12:38:08.797
12
votes
4
answers

Need a regex to match a variable length string of numbers that can't be all zeros

regex validation pcre regex-lookarounds
asked 2009-02-06T17:26:27.437
114
votes
5
answers

Return first match of Ruby regex

ruby regex string
asked 2009-02-06T08:42:21.363
14
votes
7
answers

regex for email validation

regex email
asked 2009-02-03T17:34:41.387
565
votes
11
answers

Case insensitive regular expression without re.compile?

python regex case-sensitive case-insensitive
asked 2009-02-01T13:56:14.340
13
votes
14
answers

Regular Expression Compiler

regex
asked 2009-02-01T13:48:04.653
43
votes
4
answers

Regex replace (in Python) - a simpler way?

python regex
asked 2009-01-29T05:43:24.357
16
votes
13
answers

How to determine if a regex is orthogonal to another regex?

regex fsm
asked 2009-01-28T20:02:49.177
44
votes
4
answers

passing variable to a regexp in javascript

javascript regex
asked 2009-01-28T12:52:16.050
12
votes
6
answers

Ways to prevent SQL Injection Attack & XSS in Java Web Application

java regex xss sql-injection
asked 2009-01-27T20:12:16.850
22
votes
11
answers

Python regular expressions with more than 100 groups?

python regex
asked 2009-01-25T22:48:56.240
31
votes
4
answers

PHP regex: what is "class at offset 0"?

php regex
asked 2009-01-24T00:13:26.220
24
votes
10
answers

Is there a good browser based sandbox to practice regex?

regex sandbox
asked 2009-01-21T01:15:42.850
10
votes
7
answers

is_numeric, intval, ctype__digit.. can you rely on them?

php regex numeric
asked 2009-01-20T18:14:36.197
21
votes
7
answers

Regular Expression to extract src attribute from img tag

regex
asked 2009-01-16T11:17:41.090
22
votes
5
answers

egrep search for whitespace

regex unix grep
asked 2009-01-15T23:40:39.373
94
votes
6
answers

Matching exact string with JavaScript

javascript regex
asked 2009-01-15T15:45:05.450
12
votes
7
answers

Python's re module - saving state?

python regex
asked 2009-01-15T15:09:57.207
10
votes
6
answers

Best regex library for iphone sdk app?

iphone objective-c regex
asked 2009-01-14T21:32:28.290
1762
votes
24
answers

How do you access the matched groups in a JavaScript regular expression?

javascript regex
asked 2009-01-11T07:21:20.460
10
votes
4
answers

Why is a cached Regexp outperforming a compiled one?

c# regex performance benchmarking
asked 2009-01-09T14:18:43.630
74
votes
23
answers

How do you extract IP addresses from files using a regex in a linux shell?

regex linux bash unix command-line
asked 2009-01-09T13:05:47.943
70
votes
6
answers

regex implementation to replace group with its lowercase version

regex replace lowercase
asked 2009-01-09T10:43:30.310
173
votes
10
answers

Regular expressions in an Objective-C Cocoa application

objective-c regex cocoa
asked 2009-01-07T21:18:54.507
10
votes
23
answers

What have you used Regular Expressions for?

regex language-agnostic
asked 2009-01-01T02:39:17.060
10
votes
10
answers

C# Named parameters to a string that replace to the parameter values

c# regex performance string named-parameters
asked 2008-12-18T21:20:58.463
39
votes
8
answers

Java equivalent to PHP's preg_replace_callback

java php regex preg-replace
asked 2008-12-17T17:54:03.483
12
votes
6
answers

Validating e-mail with regular expression VB.Net

vb.net regex email
asked 2008-12-15T20:07:55.320
26
votes
7
answers

When is it best to use Regular Expressions over basic string splitting / substring'ing?

regex parsing string
asked 2008-12-10T22:21:35.313
9
votes
2
answers

Recognize URL in plain text

asp.net regex url
asked 2008-12-04T20:29:49.210
32
votes
6
answers

regex matching alpha character followed by 4 alphanumerics

regex
asked 2008-12-02T14:37:05.587
9
votes
6
answers

Regex to replace all \n in a String, but no those inside [code] [/code] tag

java regex
asked 2008-11-30T03:22:59.723
13
votes
3
answers

Regular expression to match a string (1+ characters) that does NOT end in .ext (extension)

c# .net asp.net-mvc regex
asked 2008-11-27T13:00:31.177
74
votes
21
answers

Regular expression for extracting tag attributes

html regex
asked 2008-11-25T11:22:53.747
38
votes
8
answers

How do I filter all HTML tags except a certain whitelist?

c# html vb.net regex
asked 2008-11-20T22:00:37.720
9
votes
3
answers

Lightweight regex parser

c regex embedded string
asked 2008-11-20T21:35:13.857
85
votes
2
answers

How do I use regular expressions in bash scripts?

regex bash conditional-statements
asked 2008-11-20T10:21:22.920
77
votes
5
answers

Regex pattern for numeric values

regex
asked 2008-11-14T15:51:59.980
14
votes
4
answers

Regular expression to validate hex string

.net regex
asked 2008-11-13T17:51:57.773
21
votes
6
answers

Need a good regex to convert URLs to links but leave existing links alone

php html regex url
asked 2008-11-13T14:55:59.533
61
votes
19
answers

MySQL strip non-numeric characters to compare

mysql regex
asked 2008-11-13T14:43:20.977
258
votes
13
answers

jQuery validate: How to add a rule for regular expression validation?

jquery regex jquery-validate
asked 2008-11-11T12:34:29.607
377
votes
5
answers

Escaping regex string

python regex
asked 2008-11-11T09:33:29.050
37
votes
9
answers

Random Text generator based on regex

regex
asked 2008-11-07T23:37:13.997
292
votes
22
answers

JavaScript: String.indexOf(...) allowing regular-expressions?

javascript regex indexof
asked 2008-11-07T22:03:34.343
18
votes
5
answers

Regular Expressions in SQL Server servers?

sql-server regex sql-server-2005 sql-server-2008 sql-server-2000
asked 2008-11-06T08:15:03.967
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