Comments on: SQL Puzzle: SQL Advance Query – Check number is an Integer or not an Integer

By: Jagan Kumar

Jagan Kumar — Tue, 24 Oct 2017 06:55:02 +0000

DECLARE @str AS VARCHAR(10) = ‘1q’
IF PATINDEX(‘%[^0-9]%’,@str) > 0
SELECT ‘Not an Integer’ AS IsInteger
ELSE
SELECT ‘An Integer’ AS IsInteger

By: Dinesh.IS

Dinesh.IS — Tue, 24 Oct 2017 05:05:48 +0000

DECLARE @str AS VARCHAR(10) = ‘1’
Select (Case When PatIndex(‘%[^0-9]%’,@Str)=0 Then ‘An Integer’ Else ‘Not An Integer’ End) As IsInteger

By: Dinesh.IS

Dinesh.IS — Tue, 24 Oct 2017 05:01:38 +0000

If add the space in string value showing “an integer “

Example :
DECLARE @str AS VARCHAR(10) = ‘8 ‘
IF TRY_PARSE(@str AS INT) IS NULL
SELECT ‘Not an Integer’ AS IsInteger
ELSE
SELECT ‘An Integer’ AS IsInteger
GO