deepest-walk
The Deepest JSON Object Walking Library: Traverse and Modify Arrays, Objects, Numbers, Strings, and Substrings.
substrings
Looks for substrings found between two given delimiting strings. Find all results and return an array or find the first result and return it.
longestrepeatedstrings
Finds duplicated text strings and generates a report about the longest substrings or most frequent words in supplied text
strops
Provides simple and the most useful methods to string operations in JavaScript / Node.js