Can someone explain what the function "sub" is doing to the above character vector?
1388
Learning Regular Expressions
105694
Concatenate a vector of strings/character
104899
Why do newline characters get lost when using command substitution?
97025
Can I get $$...$$ to behave like \[...\]?
51677
Can we use letter with a subscript as a variable in Mathematica?
90804
Why my php substr() shows obscure characters when cutting a text?
94068
How does istream::operator>>( const char& ) as no such function is implemented?
73300
How do `>` and `>>` work?
50629
Confusing [...] List in Python: What is it?
127777
How can I return a character array from a function in C?
150496
What alternative notation of subscripts/superscripts that are also treated as SYMBOLS in Mathematica?
133235
What does ‘::’ (double colon) do in JavaScript?
153122
A puzzling result of "FullSimplify"
58367
Why do I have to put braces around my macro for subscripts / indices?
31435
What sort of character is this (𝒲)
44285
What does this notation mean? F|U
90841
Explain the use of a bit vector for determining if all characters are unique