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• Using preg_replace in php for whitespace between <br/> and <p> tags

  - by Prime Studios

  I need to remove this string if found in my string: <p><br/> </p> Cant replace this: <p><br/>Test. </p> The whitespace expression I am using wasn't working for that, thank you for your help!

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• validation of password with ()-=_+

  - by jpallavi

  I am not able to validate passord with ()-=_+ , i.e it should accept these special characters but its not working when i use the regular expression as `validates_format_of :password, :with => /^[A-Za-z0-9. ! @ # $ % ^ & * ( ) _ - + = ]*\z/` its only excepting till * but not accepting ()-=_+ in ruby on rails.

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• JavaScript regular expressions to validate string

  - by Activist

  I'm not that good with regular expressions... I need a JavaScript regular expression that will do the following: The string can contain letters (upper and lower case), but not punctuations such as éàïç... The string can contain numbers (0..9) anywhere in the string, except on the first position. The string can contain underscores (_). Valid strings: foo foo1 foo_bar fooBar Invalid strings: 1foo -- number as first character foo bar -- space föo -- punctuation ö Many thanks!

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• Trying to match what is before /../ but after / with regular expressions

  - by tim

  I am trying to match what is before /../ but after / with regular expressions, but i want it to look back and stop at the first / I feel like I am close but it just looks at the first slash and then takes everything after it like... input is this: this/is/a/./path/that/../includes/face/./stuff/../hat and my regular expression is #\/(.*)\.\.\/# matching /is/a/./path/that/../includes/face/./stuff/../ instead of just that/../ and stuff/../ how can i adapt what i'm doing to work?

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• Parsing Range Expressions

  - by sameer karjatkar

  I have a string (R(46 - 9900)) AND ( NOT (R(48 - 9900))) where R denotes Range . If you evaluate the expression it results in R(46-47) , considering the logical operators (AND,NOT). I have a requirement where I need to parse such a string and evaluate it to a correct result . I have to use C++ as a programming tool to achieve this result . Can anyone suggest a few guide lines as to how do I proceed on this ?

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• Regex for files in a directory

  - by n002213f

  Is it possible to use a regular expression to get filenames for files matching a given pattern in a directory without having to manually loop through all the files.

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• How to display complex object in debugger?

  - by 4thSpace

  I'd like to display the contents of the property myarray, from the following singleton: [Session sharedManager].myarray I've tried these: po [Session sharedManager]. myarray po [[Session sharedManager] myarray] but always get this error: A syntax error near end of expression. Any suggestions?

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• Limits GUIs in C#

  - by xarzu

  What are the limits of writing a C# app when you want a truly impressive GUI? At what point does one have to leave Visual C# behind and go into WPF? Also, if I choose to go with WPF, do I have to ditch the Visual Studio IDE and go with Expression Studio?

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• Page width in SSRS

  - by Kramii

  I want ot draw a line the full width of the page in SSRS. If I could get the page width in (say) px, I could assign it as an expression to the line width. Is this possible? How? Or is there an alternative?

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• How to check number?

  - by Knowing me knowing you

  Could anyone please tell me how to check what number I've got from a * b? Which is I would like to know every part of this number so for example if the result from this expression would be 25 I would like to know that first digit is two and second digit is five.

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• C++ WCHAR: Cannot allocate an array of constant size 0

  - by Rosarch

  I'm trying to create a WCHAR: LONG bufferSize = foo.bar() + 1; WCHAR wszBaz[bufferSize]; The compiler issues an error: error C2057: expected constant expression error C2466: cannot allocate an array of constant size 0 error C2133: 'wszBaz' unknown size What am I doing wrong? UPDATE: I added const but it still gives the same error: const LONG bufferSize = foo.bar() + 1; WCHAR wszBaz[bufferSize];

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• How to deal with Polish Characters while using regex ?

  - by Rachel

  I have street name as KRZYWON ANIELI and so what should be my regex to allow this kind of expression. Currently I have simple one which uses /^[a-zA-Z ]+$/ Kindly advise.

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• How to strip out all characters except for numbers, letters, quotes, and colons/semi-colons?

  - by evanmortland

  Hello, I have a document that I'm parsing text out of - I'm trying to figure out how to use this RegEx expression to take out everything that isn't alphanumeric, but I want to keep quotes, ampersands and colons/semi-colons. s = Regex.Replace(s, @"[^\w-]+", " "); How can I add a replace all of these "except these" pattern here? Thank you!

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• Warning produced by f#: value has been copied to ensure the original is not mutated

  - by user1878761

  The first definition below produces the warning in the title when compiled with f# 3.0 and the warning level set to 5. The second definition compiles cleanly. I wondered if someone could please explain just what the compiler worries I might accidentally mutate, or how would splitting the expression with a let clause help avoid that. Many thanks. let ticks_with_warning () : int64 = System.DateTime.Now.Ticks let ticks_clean () : int64 = let t = System.DateTime.Now t.Ticks

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• InfoPath: How to display a third column of a datasource?

  - by Michael Bray

  I have an InfoPath 2007 browser-enabled form that has a datasource with three columns, let's say columns A, B, and C. I have a dropdown that is keyed to column A and displays column B. Column C contains some data that I want to display in an expression box, and that I also want to use in some data validation against another field on the form. I'm looking for some help on how to reference that column C for displaying and use in validation. Thanks!

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• When is `x IS NOT NULL` not the same as `NOT(x IS NULL)`

  - by Mark Hurd

  For what x is The expression x IS NOT NULL is not equal to NOT(x IS NULL), as is the case in 2VL (quote from this answer, which is quoting Fabian Pascal Practical Issues in Database Management - A Reference for the Thinking Practitioner -- near the end of that answer) My guess is when x IS NULL is NULL, but I cannot guess when that would be (i.e. I haven't checked the SQL standard).

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• What is wrong with this PHP function.

  - by [email protected]

  I am new to PHP and regular expression. I was going thorugh some online examples and came with this example: <?php echo preg_replace_callback('~-([a-z])~', function ($match) { return strtoupper($match[1]); }, 'hello-world'); // outputs helloWorld ?> in php.net but to my surprise it does not work and keep getting error: PHP Parse error: parse error, unexpected T_FUNCTION Why get error ?

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• vim variable declaration

  - by dorelal

  I added following line of code in .vimrc let g:jslint_status = 'enabled' if exists("jslint_status") echo jstlint_status else echo 'not found' endif Error message E121: Undefined variable: jstlint_status E15: Invalid expression: jstlint_status What am I doing wrong?

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• Regular expressions - how to match the character '<' not followed by ('a' or 'em' or 'strong')?

  - by Spines

  How would I make a regular expression to match the character '<' not followed by ('a' or 'em' or 'strong') so <hello and <string would match, but <strong wouldn't. UPDATE: Btw, the language I'm using is javascript

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• SSRS - Sort table based on column value

  - by Ehsan

  I am trying to sort the following table: hYear hSale ------------------------------------ [year] =Count(Fields!sale.Value) The table only has one row group (year) and no column group. I'd like to: -initially sort the table based on the calculated value; is it possible? -add interactive sort to calculated column based on the value. I assume I should sort 'Detail rows', but what will be the sort expression?

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• How do I perform multiple replacements with Perl?

  - by duenguyen

  I have Perl code: my $s = "The+quick+brown+fox+jumps+over+the+lazy+dog+that+is+my+dog"; I want to replace every + with space and dog with cat. I have this regular expression: $s =~ s/\+(.*)dog/ ${1}cat/g; But, it only matches the first occurrence of + and last dog.

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• Retrieve all hashtags from a tweet in a PHP function

  - by snorpey

  Hi. I want to retrieve all hashtags from a tweet using a PHP function. I know someone asked a similar question here, but there is no hint how exactly to implement this in PHP. Since I'm not very familiar with regular expressions, don't know how to write a function that returns an array of all hashtags in a tweet. So how do I do this, using the following regular expression: #\S*\w

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• Integer separated by comma

  - by FrenchiInLa

  What's the best regular expression for integer separated by comma? It can also contain space between comma, and the field is not required which means it could be blank. 123,98549 43446 etc..

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• Negative look ahead java

  - by venu

  I need an expression to capture a string like this "A"[A string that is NOT atleast 5 and atmost 6 digits]"B", In other words capture anything that is NOT the following A[0-9][0-9][0-9][0-9][0-9]B A[0-9][0-9][0-9][0-9][0-9][0-9]B I have tried the negative look ahead regex = "a((?![0-9]{5,6}).)*d" ; But it fails to capture all scenarios. Please help venu

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• Change a regexp in application.js from rails

  - by Markus

  I wand to change the regular expression in my application.js file from within a rails controller. Is that possible?

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