How to check Skype address validity?
This will check regular Skype address. if (ereg(“^[a-zA-Z]{4,20}$”, $skype)) { echo ‘Valid’; } else { echo ‘Invalid; }
Read More »Author: sepedatua
Hey, I'm SepedaTua — a self-taught programmer and sysadmin in my early 40s, running CrushEdge to share the fixes I wish I'd found faster.
I spend my days wrestling WordPress, WooCommerce, Linux servers, PHP, Python, and whatever else small-business sites throw at me. After years of trial-and-error (and way too many late-night server crashes), I document the solutions that actually work — safely, with backups first, and no unnecessary fluff.
Outside the terminal, I'm a dad to four awesome kids, married to my best friend, and still squeezing in some video games when the house quiets down.
If you're stuck on a problem, grab a coffee and let's sort it out together.
How to disable Windows Vista 64 bit hibernate?
Hibernate is a feature seen in many operating systems where the contents of RAM is written to non-volatile storage, such as the hard disk (as either a file or on a separate partition) before powering off the system. Later the system can be restored to the state it was in when hibernation was invoked, so that programs can continue executing…
Read More »How to check ICQ number validity?
This will validate ICQ ID (number only). if (ereg(“^[0-9]{6,15}$”, $icq)) { echo ‘Valid’; } else { echo ‘Invalid; }
Read More »How to transfer a domain out of GoDaddy.com?
Don’t know how to transfer your domain out of GoDaddy? Can’t find how to get your domain EPP / Authorization Code from GoDaddy cluttered and irritating domain control panel? I feel your pain, I just recently transferred a domain out of GoDaddy. The domain in question transferred in 3 hours since the minute I initiate the transfer. This is how…
Read More »How to count number of lines in a text file using Linux shell
Sometimes you need an easy way to count number of lines in a text file. For example, how many lines in a .csv file. Easy: wc -l somefilename.csv You can also count number of characters in a file using “wc”: wc -m somefilename.txt Or number of words: wc -w somefilename.txt Explore the possiblities of “wc”: # wc –help Usage: wc…
Read More »How to check email address validity
This will validate most email address. if (ereg(“^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@+([_a-zA-Z0-9-]+\.)*[a-zA-Z0-9-]{2,200}\.[a-zA-Z]{2,6}$”, $email)) { echo ‘Email valid’; } else { echo ‘Email invalid; }
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