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Regex to validate password strength
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You can do these checks using positive look ahead assertions:
^(?=.*[A-Z].*[A-Z])(?=.*[!@#$&*])(?=.*[0-9].*[0-9])(?=.*[a-z].*[a-z].*[a-z]).{8}$
Rubular link
Explanation:
^ Start anchor
(?=.*[A-Z].*[A-Z]) ...
Is \d not supported by grep's basic expressions?
...OSIX regex, and \d is pcre. You can either pass -P to gnu grep, for perl-like regexps, or use [[:digit:]] instead of \d.
daenyth@Bragi ~ $ echo 1 | grep -P '\d'
1
daenyth@Bragi ~ $ echo 1 | grep '[[:digit:]]'
1
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What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...s great article or the definition by w3c. To quote the important part:
Key Differences
The Disabled attribute
Values for disabled form elements are not passed to the processor method. The W3C calls this a successful element.(This works similar to
form check boxes that are not chec...
How do I reflect over the members of dynamic object?
...ry of properties and their values from an object declared with the dynamic keyword in .NET 4? It seems using reflection for this will not work.
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How can HTML5 “replace” Flash? [closed]
...HTML5 in the context of this discussion is the combination of HTML as a markup language, CSS which specifies how it is rendered, and the javascript code which manipulates the HTML and CSS dynamically.
Furthermore, HTML5 not only has the standard text elements, but also <canvas> on which 2d gr...
How to sort in-place using the merge sort algorithm?
I know the question is not too specific.
10 Answers
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What's the difference between fill_parent and wrap_content?
...Setting the layout of a widget to fill_parent will force it to expand to take up as much space as is available within the layout element it's been placed in. It's roughly equivalent of setting the dockstyle of a Windows Form Control to Fill.
Setting a top level layout or control to fill_parent wil...
Meaning of 'const' last in a function declaration of a class?
What is the meaning of const in declarations like these? The const confuses me.
10 Answers
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CSS technique for a horizontal line with words in the middle
I'm trying to make a horizontal rule with some text in the middle.
For example:
24 Answers
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Injecting a mock into an AngularJS service
I have an AngularJS service written and I would like to unit test it.
7 Answers
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