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How do you match only valid roman numerals with a regular expression?

...mple: 0: <empty> matched by M{0} 1000: M matched by M{1} 2000: MM matched by M{2} 3000: MMM matched by M{3} 4000: MMMM matched by M{4} You could, of course, use something like M* to allow any number (including zero) of thousands, if you want to allow bigger numbers...
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Argument list too long error for rm, cp, mv commands

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How to round a number to significant figures in Python

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Number of rows affected by an UPDATE in PL/SQL

... 246 You use the sql%rowcount variable. You need to call it straight after the statement which you...
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How to check if a file contains a specific string using Bash

... 482 if grep -q SomeString "$File"; then Some Actions # SomeString was found fi You don't need [[...
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Looking to understand the iOS UIViewController lifecycle

...03 Cœur 29.8k1515 gold badges166166 silver badges214214 bronze badges answered Apr 6 '11 at 17:17 Jacob Knobe...
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Get int value from enum in C#

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Accessing members of items in a JSONArray with Java

... 218 Have you tried using JSONArray.getJSONObject(int), and JSONArray.length() to create your for-l...
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android.content.res.Resources$NotFoundException: String resource ID #0x0

... | edited Nov 24 '13 at 16:46 Ahmad 54.4k1717 gold badges102102 silver badges130130 bronze badges ...
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WPF Button with Image

... 237 You want to do something like this instead: <Button> <StackPanel> &lt...