Top "Alphanumeric" questions

Lua: How to check if a string contains only numbers and letters?

Simple question may have a simple answer, but my current solution seems horrible. local list = {'?', '!', '@…

lua pattern-matching alphanumeric non-alphanumeric

allow only letters and spaces validate jquery

I have this code: $(document).ready(function(){ jQuery.validator.addMethod("lettersonly", function(value, element) { return this.optional(element) || /^[a-z]+$/i.…

php jquery jquery-validate alphanumeric

regex for alphanumeric word, must be 6 characters long

What is the regex for a alpha numeric word, at least 6 characters long (but at most 50).

c# regex alphanumeric

Creating Oracle sequence that starts with alphanumeric

I want to create sequence to start with character inv and increment by 1 The values to be INV01 INV02 INV03 …

oracle sequence alphanumeric

Java remove all non alphanumeric character from beginning and end of string

I know how to replace ALL non alphanumeric chars in a string but how to do it from just beginning …

java regex string replace alphanumeric

Replace non alphanumeric characters except some exceptions python

In perl s/[^\w:]//g would replace all non alphanumeric characters EXCEPT : In python I'm using re.sub(r'\W+…

python regex alphanumeric

Postgresql sorting mixed alphanumeric data

Running this query: select name from folders order by name returns these results: alphanumeric a test test 20 test 19 test 1 test 10 …

postgresql sorting alphanumeric

Sorting VARCHAR column with alphanumeric entries

I am using SQL Server, the column is a VARCHAR(50) and I want to sort it like this: 1A 1B 2 2 3 4…

sql sql-server sorting alphanumeric

Python code to use a regular expression to make sure a string is alphanumeric plus . - _

I looked and searched and couldn't find what I needed although I think it should be simple (if you have …

python regex alphanumeric

What is the probability of collision with a 6 digit random alphanumeric code?

I'm using the following perl code to generate random alphanumeric strings (uppercase letters and numbers, only) to use as unique …

mysql perl hash probability alphanumeric