in the string. I dont want the letters in my select only the digits. I have following string. i have a scenario where I have to count the occurence of : in a string… Let's count the number of times the character 't' appears in a string. string str = " abcdaab"; // Solution 1 - remove the character, and compare its length. For example: SELECT REGEXP_COUNT ('TechOnTheNet is a great resource', 't') FROM dual; Result: 2. LEFT(string_exp, count) (ODBC 1.0) Returns the leftmost count characters of string_exp. We’d get the same result if the string does contain the delimiter, but our count exceeds the number of delimiters in the string. Some database systems use the LEN function that has the same effect as the LENGTH function. var string = "How are you doing . Let's start by looking at the simplest case. To get number of rows in the 'orders' table with the following condition - 1. result have to display with a heading 'Number of Rows', the following SQL statement can be used: SQL Code: SELECT COUNT( *) as "Number of Rows" FROM orders; Output: Number of Rows ----- 36 Since you're a beginner, here are some much more interesting solutions to look at! This example will return 2 because it is counting the number of occurrences of 't' in the string. im forcing a problem where i have a alphanumeric string. The SQL LENGTH function returns the number of characters in a string. I tried same script to count other string, letter and -which is properly working. I am trying with match() function for counting the dot, but it does not working.. In this case, the whole string is returned in full because we used a hyphen (-) as the delimiter but there were no hyphens in the string. a way i can do that with a select statement? every string starts with letters. DECLARE @vc_string varchar ( 40 ) Subject: [informatica-l] Count of a character in a string. - today? LENGTH only accepts strings. Summary: in this tutorial, you will learn how to use the SQL LENGTH function to get the number of characters in a string.. Introduction to the SQL LENGTH function. Why must you use a foreach loop? SQL COUNT rows with user defined column heading . LENGTH(string_exp) (ODBC 1.0) Returns the number of characters in string_exp, excluding trailing blanks. Count the number of occurrence of a character in a given string – SQL Count the number of occurrence of a ' o ' in the given string: Ram is a good boy. I want to make a select where i only select the numeric part of the string. For anyone wanting a ready to use String extension method, here is what I use which was based on the best of the posted answers: public static class StringExtension { /// Returns the number of occurences of a string within a string, optional comparison allows case and culture control. 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