Top "Isnumeric" questions

Identify if a string is a number

If I have these strings: "abc" = false "123" = true "ab2" = false Is there a command, like IsNumeric() or something else, that …

c# string parsing isnumeric

jQuery: what is the best way to restrict "number"-only input for textboxes? (allow decimal points)

What is the best way to restrict "number"-only input for textboxes? I am looking for something that allows decimal …

jquery validation isnumeric

PHP is_numeric or preg_match 0-9 validation

This isn't a big issue for me (as far as I'm aware), it's more of something that's interested me. But …

php validation preg-match isnumeric

T-sql - determine if value is integer

I want to determine if a value is integer (like TryParse in .NET). Unfortunatelly ISNUMERIC does not fit me because …

sql-server tsql casting integer isnumeric

How can you tell if a value is not numeric in Oracle?

I have the following code that returns an error message if my value is invalid. I would like to give …

sql oracle plsql isnumeric

How do you test your Request.QueryString[] variables?

I frequently make use of Request.QueryString[] variables. In my Page_load I often do things like: int id = -1; …

c# coding-style tryparse isnumeric request.querystring

Checking for numeric value entered in text box in Visual Basic

I am working on a program for my Visual Basic class and have a quick question. One of the things …

vb.net isnumeric

Fastest way to check if a character is a digit?

I am having issues with sqlserver's ISNUMERIC function where it is returning true for ',' I am parsing a …

sql sql-server tsql sql-server-2008 isnumeric

Checking if string is numeric in dart

I need to find out if a string is numeric in dart. It needs to return true on any valid …

string numbers dart isnumeric

Most elegant isNumeric() solution for java

I'm porting a small snippet of PHP code to java right now, and I was relying on the function is_…

java parsing isnumeric