In November, 2018, I received a letter from an entity named Workplace Compliance Services, and the letter was in regards to filing a Colorado “Periodic Report” form. I initially thought the letter was from a government agency, but after research that ended up spanning many days, I learned that Workplace Compliance Services is a private business entity — not a government agency. After that, in an effort to save other people from having to spend the same time and energy to perform that research, I wrote about what I learned on the previous version of this web page.
I just learned that Warren Buffett’s shareholder letters can be found here in PDF format.
Here's a quick line of Java code that takes a given input string, strips all the characters from that string other than lowercase and uppercase letters, and returns whatever is left:
PHP string strip FAQ: How can I strip unwanted characters from a PHP string? (Or, How can I delete unwanted characters from a PHP string?)
Here's a quick PHP preg_replace example that takes a given input string, and strips all the characters from the string other than letters (the lowercase letters "a-z", and the uppercase letters "A-Z"):