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Check if a string matches a regex in Bash script
...{8}$ ]] && echo "yes"
Or more a accurate test:
[[ $date =~ ^[0-9]{4}(0[1-9]|1[0-2])(0[1-9]|[1-2][0-9]|3[0-1])$ ]] && echo "yes"
# |^^^^^^^^ ^^^^^^ ^^^^^^ ^^^^^^ ^^^^^^^^^^ ^^^^^^ |
# | | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ |
# | | ...
What are inline namespaces for?
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342
Inline namespaces are a library versioning feature akin to symbol versioning, but implemented p...
What is the python “with” statement designed for?
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405
I believe this has already been answered by other users before me, so I only add it for the s...
How to check whether an array is empty using PHP?
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luchaninov
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answered Feb 7 '10 at 5:32
Tyler CarterTyler Carter
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Is there are way to make a child DIV's width wider than the parent DIV using CSS?
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edited Jan 14 '13 at 16:41
answered Apr 7 '11 at 12:34
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What is the difference between and ?
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answered Aug 4 '11 at 12:10
Paul D. WaitePaul D. Waite
86.1k5151 gold badges184184 silver badges258258 bronze badges
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How do I grant myself admin access to a local SQL Server instance?
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edited May 30 '19 at 14:52
Jim G.
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answer...
How do I properly force a Git push?
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Alex Zhukovskiy
7,85722 gold badges4242 silver badges117117 bronze badges
answered Sep 26 '12 at 21:31
KatieKatie
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How can I be notified when an element is added to the page?
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Warning!
This answer is now outdated. DOM Level 4 introduced MutationObserver, providing an effective replacement for the deprecated mutation events. See this answer for a better solution than the one presented here. Seriously. Don't poll the DOM every 100 milliseconds; it...
Database, Table and Column Naming Conventions? [closed]
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wilsonmar.com/sql_adventureworks.htm is an excellent analysis of the AdventureWorks schema.
– Daniel Trebbien
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