Swift Quick Syntax Reference

Regex Quick Syntax Reference: Understanding and Using Regular Expressions

C++17 Quick Syntax Reference: A Pocket Guide To The Language by Olsson, Mikael

Campbell - Swift Quick Syntax Reference - New paperback or softback - X555z

C Pocket Reference: C Syntax and Fundamentals by Prinz, Peter; Kirch-Prinz, Ulla

C++20 Quick Syntax Reference: A Pocket Guide to the Language, Apis, and Library

Ruby Quick Syntax Reference, Clements, Matt,

Objective-C Quick Syntax Reference (Expert's Voice in Objective-C), Campbell, Ma