Regular expressions (often shortened to "regex") are a declarative language used for pattern matching within strings. Please also include a tag specifying the programming language or tool you are using.
0
votes
4answers
37 views
Perl RegEx moving whitespace
I am trying to reformat some code, specifically conditional blocks, from having logic operators at the end of lines, to start of lines, as such:
if ($arg == true ||
$arg != null ...
0
votes
4answers
26 views
How can I capture a value from a string and then remove it?
I'm trying to get the number from a string and then remove that number. For instance, I'm going to have a string like '42Xmessage' where 42 is the number I want (it could be any number of digits) and ...
0
votes
2answers
13 views
Python 3 - Spinning text
I'm stucked on doing something like this..
from this
{Hi|Hello} I am - {Me|You|Us}
to this
#Possible results
'Hi I am - You'
'Hello I am - Me'
'Hi I am - Us'
'Hello I am - You'
So basically, ...
2
votes
1answer
56 views
Microsoft's implementation of std::regex
I have been working with the <regex> library (Microsoft Visual Studio 2012: Update 3), trying to use it to implement a slightly safer loading procedure for my application, and have been having a ...
0
votes
1answer
46 views
My regex doesn't work
I don't see the difference between creating a new regexp object or using /.../
because if I execute the following I get:
true false
alert(/^\d{4}$/.test(obj.value)+" "+(new ...
0
votes
3answers
41 views
Splitting on , with regexp in java
i am trying to split this input:
sum(12),sum(3,34,23),122
into these:
sum(12)
sum(3,34,23)
122
I have the following code
pattern = ...
-2
votes
1answer
51 views
Please decode this regular expression for me [on hold]
I inherited some php code for a webgame that I am trying to modify. I came across this line, and I can't figure out what it is supposed to be doing. Could someone help me out? $notice is just a ...
0
votes
2answers
31 views
Check the start value with jquery regular expressions
hello everyone I’m wondering if i can check the beginning of the value with jquery i tried this code
$('#ads_img').keyup(function(){
if($(this).val() ^= 'http://'){
alert('ok');
}
});
but it ...
2
votes
2answers
40 views
Regex matching string python
I wanted to match the following string:
strings = iamcool.iplay=ball?end
I want to remove items starting (including the ".") and up till "?", so I want to remove .iplay=ball, so I should have ...
-2
votes
1answer
27 views
Need New Username Validation RegEx
I currently have this in an old system I'm working on:
/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/
It's checking for usernames. I've imported a few email address as username, and these accounts ...
0
votes
1answer
31 views
Java Regexp pattern in Android
What characters does block this pattern:
private static Map<String, String> parseMetadata(String metaString) {
Map<String, String> metadata = new HashMap<String, String>();
...
-2
votes
0answers
24 views
jQuery to detect Carrier using Tracking number
How can jQuery be used to determine the type of carrier (eg. USPS, UPS, FedEx) from a tracking number entered into a text input?
0
votes
1answer
40 views
Regex matching newlines when it shouldn't?
I don't understand. In .NET i specify RegexOptions.Multiline, using http://gskinner.com/RegExr/ i checkoff global and multiline
What I expect is ^ and $ to match the start and end of the line and . ...
1
vote
1answer
24 views
Javascript ignore NaN characters in string
Bear with me because I'm very new to javascript.
I'm making a simple progress bar script. I'm having the user input the progress percentage into one of the variables.
Instead of giving an error and ...
0
votes
0answers
25 views
Boost regular expression to exclude Chinese symbols
I am trying to create a regular expression for avoiding match with Chinese characters and in general I want to avoid all the similar languages that use symbols. However, I don't know how to do that. ...
