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Questions tagged regex

1150 questions · page 12 of 23

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57
votes
4
answers

Regex to check string contains only Hex characters

java regex validation
asked 2011-03-15T20:02:02.457
13
votes
2
answers

Javascript regular expression problem with \b and international characters

javascript regex match non-ascii-characters
asked 2011-03-15T12:20:29.617
10
votes
1
answers

Simple jQuery / javascript method to escape special characters in string for regexp

javascript jquery regex
asked 2011-03-15T00:07:04.393
14
votes
5
answers

Split string by char in java

java regex string split
asked 2011-03-14T08:49:37.657
261
votes
10
answers

Fastest way to check a string contain another substring in JavaScript?

javascript regex substring
asked 2011-03-14T08:26:07.493
15
votes
3
answers

Javascript regexp - only if first character is not an asterisk

javascript regex negate
asked 2011-03-14T01:32:00.420
252
votes
49
answers

Validating IPv4 addresses with regexp

regex validation ip-address ipv4 grep
asked 2011-03-12T17:27:24.647
9
votes
3
answers

Is there a way to create a string that matches a given C# regex?

c# regex
asked 2011-03-10T00:07:11.840
16
votes
4
answers

How do I make part of a regular expression optional in Ruby?

ruby regex
asked 2011-03-09T00:02:38.547
15
votes
4
answers

Comma-separated repeats

regex
asked 2011-03-08T15:45:47.067
11
votes
3
answers

How can I capture a multiline pattern using a regular expressions in java?

java regex
asked 2011-03-03T03:31:34.043
14
votes
3
answers

JavaScript regular expression iterator to extract groups

javascript regex node.js
asked 2011-03-02T11:31:49.907
12
votes
5
answers

How do you match accented and tilde characters in a perl regular expression (regexp)?

regex perl unicode localization
asked 2011-03-01T16:15:54.217
10
votes
5
answers

Match parenthesised block using regular expressions in vim

regex vim
asked 2011-02-28T07:37:24.803
11
votes
2
answers

What's the best way to parse URLs to extract the domain?

ruby-on-rails ruby regex parsing
asked 2011-02-27T12:52:53.820
17
votes
2
answers

Ruby regexp: capture the path of url

ruby regex
asked 2011-02-26T20:35:26.820
9
votes
5
answers

Find the words start from a special character java

java regex
asked 2011-02-25T06:10:37.263
15
votes
5
answers

Regex to remove a specific repeated character

c# regex
asked 2011-02-24T23:44:09.513
168
votes
4
answers

Javascript Regexp dynamic generation from variables?

javascript regex dynamic
asked 2011-02-23T11:12:29.760
10
votes
4
answers

YouTube Vimeo Video ID from Embed Code or From URL with PHP Regular Expression RegEx

php regex youtube vimeo
asked 2011-02-23T06:21:48.627
28
votes
3
answers

Getting the Star Regex Operator to Fail

ruby regex
asked 2011-02-22T21:24:47.090
30
votes
4
answers

Regular Expressions: how to accept any symbol

regex
asked 2011-02-20T16:45:40.420
13
votes
9
answers

How to add rel="nofollow" to links with preg_replace()

php regex preg-match
asked 2011-02-18T04:24:49.277
14
votes
6
answers

Regex for numeric range from negative numbers?

regex
asked 2011-02-17T02:43:08.490
41
votes
11
answers

Python: convert camel case to space delimited using RegEx and taking Acronyms into account

python regex
asked 2011-02-16T19:06:21.560
33
votes
11
answers

Regular expression for a list of items separated by comma or by comma and a space

regex
asked 2011-02-15T09:00:43.360
19
votes
3
answers

Count regex replaces (C#)

c# .net regex replace
asked 2011-02-14T15:55:58.793
13
votes
2
answers

regular expression to get sub string via php

php regex substring
asked 2011-02-14T11:20:45.283
53
votes
5
answers

RegEx with multiple groups?

python regex
asked 2011-02-10T22:57:47.833
11
votes
5
answers

Splitting a large txt file into 200 smaller txt files on a regex using shell script in BASH

regex bash shell unix scripting
asked 2011-02-10T00:10:22.570
24
votes
4
answers

Regex in javascript fails every other time with identical input

javascript regex
asked 2011-02-09T21:09:15.390
65
votes
5
answers

Regular expression [Any number]

javascript jquery regex
asked 2011-02-08T10:21:59.143
52
votes
15
answers

RegEx for an IP Address

c# .net regex
asked 2011-02-03T19:36:29.293
83
votes
1
answers

The recognizing power of "modern" regexes

regex perl theory context-free-grammar language-theory
asked 2011-01-30T03:33:55.003
12
votes
3
answers

What is up with [A-Z] meaning [A-Za-z]?

regex linux shell unix grep
asked 2011-01-29T00:43:55.053
9
votes
4
answers

what does regular in regex/"regular expression" mean?

regex perl parsing tokenize
asked 2011-01-26T14:47:48.987
17
votes
5
answers

Ignore comments (#) using sed, but keep the lines untouched

regex shell sed
asked 2011-01-25T19:52:41.323
9
votes
3
answers

Why doesn't this regex work as expected in Java?

java regex
asked 2011-01-25T09:54:14.137
25
votes
3
answers

How do I extract query parameters from a URL string in PHP?

php regex
asked 2011-01-24T16:15:34.633
22
votes
7
answers

How can I extract a filename from a path using Perl?

regex perl string operator-precedence
asked 2011-01-22T11:25:36.353
28
votes
2
answers

Escaping a parenthesis in grep/ack

regex grep ack
asked 2011-01-21T16:32:32.060
82
votes
7
answers

6 digits regular expression

regex vb.net
asked 2011-01-21T11:47:15.193
74
votes
9
answers

JavaScript: indexOf vs. Match when Searching Strings?

javascript regex string client
asked 2011-01-21T09:59:08.843
12
votes
3
answers

Unix Flex Regex for Multi-Line Comments

regex unix flex-lexer
asked 2011-01-21T06:15:14.630
9
votes
2
answers

MySQL CASE statement and REGEXP

mysql regex case
asked 2011-01-21T04:23:32.420
13
votes
2
answers

Regular expression to find URLs within a string

c# asp.net-mvc regex
asked 2011-01-20T16:49:17.130
10
votes
2
answers

php regex or | operator

php regex
asked 2011-01-20T04:05:54.367
127
votes
11
answers

Whitespace Matching Regex - Java

java regex whitespace
asked 2011-01-19T01:58:47.023
12
votes
3
answers

Switch gettext translated language with original language

php regex parsing gettext poedit
asked 2011-01-15T14:51:00.813
11
votes
1
answers

How does JDK 6 regexp compare with org.apache.regexp?

java java-6 regex
asked 2011-01-15T11:34:34.703
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