performance of string containing only uppercase letters
4619
Converting an object to a string
37165
Finding Uppercase Character then Adding Space
105242
Uppercase Booleans vs. Lowercase in PHP
9258
Test if string ONLY contains given characters
138718
Does "+" use in String concatenation affect efficiency?
12846
Is there a good reason to use upper case for SQL keywords?
40999
Using \in with uppercase letters does not look good
10610
How can I check if a single character appears in a string?
154917
strlen performance implementation
5512
How do I do a case-insensitive string comparison?
93360
Performance differences between equal (=) and IN with one literal value
150769
How to get the last characters in a String in Java, regardless of String size
89746
What is performance of ContainsKey and TryGetValue?
12419
How to check if a String contains another String in a case insensitive manner in Java?
64057
partial string formatting
150982
Java String - See if a string contains only numbers and not letters
108446
How to perform case-insensitive sorting in JavaScript?