Batch no. 2 return statement

Bob: yeah, it's simple, see? it's just a function. Alice: So this is a just a function, which is what... a type of generalized description of some arbitrary algorithmic procedure, and in this particular case a textual representation of same in a particular but likewise arbitrary programming language and syntax, and is in practice here interpreted...

Perhaps I have a string lying around somewhere... const testString = "Abcd123"; What a lovely little string. I will start with a function that takes a string as input and tells you if the input passes some test you've set out for it. This is not yet a parser, not really. Usually, a parser does quite a lot mor...