Posted
by Jimmy
on Stack Overflow
See other posts from Stack Overflow
or by Jimmy
Published on 2010-05-03T00:11:20Z
Indexed on
2010/05/03
0:17 UTC
Read the original article
Hit count: 221
Hi,
I'm using regular expression to count the total spaces in a line (first occurrence).
match(/^\s*/)[0].length;
However this reads it from the start to end, How can I read it from end to start.
Thanks
© Stack Overflow or respective owner
as seen on Stack Overflow
- Search for 'Stack Overflow'
I am looking for chatroom on one page with 7 loggedin users and 6+rows for say 42 users.these users will keep on adding wthnew users.Need urgent help.A PRETTY UNUSUAL Q FOR MOST OF U.What is MORE REQ new features:
Usernames are unique to users currently chatting
You can see a "currently chatting"…
>>> More
as seen on Stephen Walter
- Search for 'Stephen Walter'
Modern ASP.NET web applications take full advantage of client-side JavaScript to provide better interactivity and responsiveness. If you are building an ASP.NET application in the right way, you quickly end up with lots and lots of JavaScript code. When writing server code, you should be writing…
>>> More
as seen on Programmers
- Search for 'Programmers'
I've been talking with a friend about the purpose of Javascript, when and how it should be used, etc. He quoted that:
JavaScript was designed to add interactivity to HTML pages
[...]
JavaScript gives HTML designers a programming tool
HTML authors are normally not programmers…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
Hi! I have been trying to get this to work for a while, and I suspect there's an easy solution that I just can't find. My head feels like jelly and I would really appreciate any help.
My main page.php makes a .post() to backend.php and fetches a list of cities which it echoes in the form of:
<li…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
Is there anyway to have javascript run when a XSL sheet has been applied to an XML file by Javascript?
I am using a JQuery plugin to apply the sheet to the xml but the javascript that is located inside of the XSL file will not run.
I put the Javascript at the bottom of the file and it still does…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
I have a list of variables:
variables = ['VariableA', 'VariableB','VariableC']
which I'm going to search for, line by line
ifile = open("temp.txt",'r')
d = {}
match = zeros(len(variables))
for line in ifile:
emptyCells=0
for i in range(len(variables)):
regex = r'('+variables[i]+r')[:|=|\(](-…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
I was looking at the regular expression for validating various data types from the (OWASP Regex Repository).
One of the regular expressions in there is called safetext and looks like:
^[a-zA-Z0-9\s.\-]+$
My first question is:
Is this regular expression correct?
complementary question
If this…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
I am writing a tool to help students learn regular expressions. I will probably be writing it in Java.
The idea is this: the student types in a regular expression and the tool shows which parts of a text will get matched by the regex. Simple enough.
But I want to support several different regex…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
I'm writing a piece of client-side javascript code that takes a function and finds the derivative of it, however, the regex that's supposed to match with the power rule fails to work in the context of the javascript program, even though it sucessfully matches when it's used with an independent regex…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
I need to be able to check for a pattern with | in them. For example an expression like d*|*t should return true for a string like "dtest|test".
I'm no regex hero so I just tried a couple of things, like:
Regex Pattern = new Regex("s*\|*d"); //unable to build because of single backslash
Regex Pattern…
>>> More
