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Published on 2010-03-22T11:54:02Z
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I'm looking for an online utility that will prettify and add explanatory comments to a regular expression. Does one exist?
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I've got a problem with RegEx and Delphi 2k9 (Win32). I get the following Error:
First chance exception at $7C812AFB. Exception class Exception with message 'TPerlRegEx.Compile() - Please specify a regular expression in RegEx first'.
I've got the latest version of TPerlRegEx from the website.…
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I've got a problem with RegEx and Delphi 2k9 (Win32). I get the following Error:
First chance exception at $7C812AFB. Exception class Exception with message 'TPerlRegEx.Compile() - Please specify a regular expression in RegEx first'.
I've got the latest version of TPerlRegEx from the website.…
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I'm looking for an online utility that will prettify and add explanatory comments to a regular expression. Does one exist?
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RegexBuddy 4 was released earlier this month. This is a major upgrade that significantly improves RegexBuddy’s ability to emulate the features and deficiencies of the latest versions of all the popular regex flavors as well as many past versions of these flavors.
Along with that, the Regular-Expressions…
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The Regular-Expressions.info website has a new quick reference to regular expressions that lists all of the regex syntax in one single table along with a link to the tutorial section that explains the syntax. The quick reference is ordered by syntax whereas the full reference tables are ordered by…
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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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