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Published on 2010-05-21T01:48:53Z
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Foo, Bar, Wibble A, B, C2, N, J, Baz, Qux
How do I match highlighted part of the string using PERL-compatible regular expressions?
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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')[:|=|\(](-…
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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…
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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…
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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…
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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…
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Hello, I have this snippet
while($row = mysql_fetch_array($result)){
$search = '' . $row['searchquery'];
echo '<a href="http://www.example.com/' . preg_replace( array('/[^\s\w]/','/\s/'),array('','+'),$search) . '+/">' ...
but if someone types in äöü, it doesnt show the letters - with rawurlencode…
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I found a function online for turning a url within a string into a clickable link. However, when the url contains a hashtag it doesn't work. eg. http://www.bbc.co.uk/radio1/photos/fearnecotton/5759/1#gallery5759
Here's the part of the function concerned:
$ret = preg_replace(
"#(^|[\n ])([\w]+…
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How can i replace {number}) with \n{number})
Say i have something like this
1) test string testing new string. 2) that is also a new string no new line. 3) here also no new lines.
The output should be something like this
1) test string testing new string.
2) that is also a new string no new…
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First of all, do not be overwhelmed by the long code, I just put it for reference...I have a function that runs preg_replace on each comment users post and puts matches in a jquery dialog box with a matching open-link. For example, if there is a paragraph with two matches, they will be put inside…
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I need to convert a string of text containing a long url into the same string but with a tinyurl (using the tinyurl api). eg. convert "blah blah blah /http://example.com/news/sport blah blah blah" into "blah blah blah http://tinyurl.com/yaeocnv blah blah blah".
How can it be done? PLEASE NOTE I added…
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