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How to extract text from a string using sed?
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92
The pattern \d might not be supported by your sed. Try [0-9] or [[:digit:]] instead.
To only p...
Regular expression to match numbers with or without commas and decimals in text
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293
EDIT: Since this has gotten a lot of views, let me start by giving everybody what they Googled ...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
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answered Oct 9 '12 at 9:54
Ivan ZlatanovIvan Zlatanov
4,95633 gold badges2626 silver badges4343 bronze badges
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RegEx to parse or validate Base64 data
...on to match Base64 encoded words, you can use the following:
^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$
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Generate random integers between 0 and 9
How can I generate random integers between 0 and 9 (inclusive) in Python?
19 Answers
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How to validate an email address in PHP
... to warn you it is not an easy read by any stretch:
rfc5322
rfc5321
rfc3696
rfc6531 (allows unicode characters, although many clients / servers don't accept it)
Note that filter_var() is as already stated only available as of PHP 5.2. In case you want it to work with earlier versions of PHP you ...
Regex that accepts only numbers (0-9) and NO characters [duplicate]
I need a regex that will accept only digits from 0-9 and nothing else. No letters, no characters.
1 Answer
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How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
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9 Answers
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What are best practices for validating email addresses on iOS 2.0
...idateEmail: (NSString *) candidate {
NSString *emailRegex =
@"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}"
@"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\"
@"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@(?:(?:[a-z0-9](?:[a-"
@"z0-9-]*...
CSS \9 in width property
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\9 is a "CSS hack" specific to Internet Explorer 7, 8, & 9.
This simply means that the one...