Top 20 NuGet string Packages

CSharp.Util
Creates a random string based on a mix of numbers and letters.
MaranAtha contains some extension methods & helpers for string class and collections (List, array,... etc.)
A nuget package containing: Emailer, Common Document Generator, An Http Form and File Uploader, Java Script (Angular/JQuery), String Validator (Phone, Email, International Phone, Number, ect.) in Constant Time, XSS and Xml String Manipulator, and a Symmetric Key Base 64 Encryptor and Decryptor.
This library contains some useful extension methods.
Custome helper
A set of extension methods for strings, enums, Dates, Dictionaries and an Update method for LINQ.
Delimited string enumerator. An extension to enable more control over flat delimitted strings using minimal memory.
Three extension methods to validate a string value
A WordPress Migration Assistant
Package Description
ConvertCase : ToCamelCase, uppercase and pascal case and proper case
This package contains functions used on string. most of theose VbFunctions not included by default in c# Like the IsNumeric, Space, Right, Left, etc. Its has basic function for Sha1, MD5 Sha512
Simple and clean string metrics implementations: Hamming, Levenshtein and Damerau-Levenshtein
.NET library for deserializing and serializing fixed width files
Legacy collection of mostly extension methods for manipulating strings, arrays, lists, GUIDs, file names, etc.