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Published on 2010-05-10T21:48:54Z
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2010/05/10
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I know there is the perl regex that is sort of a minor de facto standard, but why hasn't anyone come up with a universal set of standard symbols, syntax and behaviors?
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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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Are there any software versioning standards? Or i can change version of my product, when i have made some changes to it?
Is there any percentage in changes, by which i can say, what version this product will have?
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This post will be about coding standards. There are countless articles and blog posts related to this topic, so I know this post will not be too revealing. Yet I would like to mention a few things I came across during my work with the T-SQL code. Naming convention - there are many of them obviously…
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JavaScript 5 (ECMAScript 5) has just been released and it promises to bring stricter code and better coding standards to the table. To learn more about this exciting new update to the Internet's workhorse, read on.
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As an IT professional, it is likely that you have heard portal buzz words including JSR 168 and WSRP. But if you are like many, you may not understand the differences or the benefits of these complementary portal standards.
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