String unique characters
62541
Determining a string has all unique characters without using additional data structures and without the lowercase characters assumption
16236
Is it possible to enforce unique values in a column, excluding nulls?
17103
Making unique key case insensitive
105674
How do I get an array of repeated characters from a string using LINQ?
10470
What's the best way to build a string of delimited items in Java?
35365
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
82617
character for single quote
49014
Getting unique items from a list
81811
Simple way to count character occurrences in a string
95396
Printing unique lines
106902
Find the location of a character in string
155779
Selecting Unique Elements From a List in C#
45170
Unable to replace characters in a String
107297
how do I set a character at an index in a string in c#?
137172
How to get distinct characters?
19732
How can I remove a character from a string using JavaScript?
50403
safe string slice