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ADD ADD CONSTRAINT ALTER ALTER COLUMN ALTER TABLE ALL AND ANY AS ASC BACKUP DATABASE BETWEEN CASE CHECK COLUMN CONSTRAINT CREATE CREATE DATABASE CREATE INDEX CREATE OR REPLACE VIEW CREATE TABLE CREATE PROCEDURE CREATE UNIQUE INDEX CREATE VIEW DATABASE DEFAULT DELETE DESC DISTINCT DROP DROP COLUMN DROP CONSTRAINT DROP DATABASE DROP DEFAULT DROP INDEX DROP TABLE DROP VIEW EXEC EXISTS FOREIGN KEY FROM FULL OUTER JOIN GROUP BY HAVING IN INDEX INNER JOIN INSERT INTO INSERT INTO SELECT IS NULL IS NOT NULL JOIN LEFT JOIN LIKE LIMIT NOT NOT NULL OR ORDER BY OUTER JOIN PRIMARY KEY PROCEDURE RIGHT JOIN ROWNUM SELECT SELECT DISTINCT SELECT INTO SELECT TOP SET TABLE TOP TRUNCATE TABLE UNION UNION ALL UNIQUE UPDATE VALUES VIEW WHERE
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String Functions Asc Chr Concat with & CurDir Format InStr InstrRev LCase Left Len LTrim Mid Replace Right RTrim Space Split Str StrComp StrConv StrReverse Trim UCase Numeric Functions Abs Atn Avg Cos Count Exp Fix Format Int Max Min Randomize Rnd Round Sgn Sqr Sum Val Date Functions Date DateAdd DateDiff DatePart DateSerial DateValue Day Format Hour Minute Month MonthName Now Second Time TimeSerial TimeValue Weekday WeekdayName Year Other Functions CurrentUser Environ IsDate IsNull IsNumeric
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SQL Examples

SQL Server PATINDEX() Function

❮ SQL Server Functions

Example

Return the position of a pattern in a string:

SELECT PATINDEX('%schools%', 'W3Schools.com');
Try it Yourself »

Definition and Usage

The PATINDEX() function returns the position of a pattern in a string.

If the pattern is not found, this function returns 0.

Note: The search is case-insensitive and the first position in string is 1.

Syntax

PATINDEX(%pattern%, string)

Parameter Values

Parameter Description
%pattern% Required. The pattern to find. It MUST be surrounded by %. Other wildcards can be used in pattern, such as:
  • % - Match any string of any length (including 0 length)
  • _ - Match one single character
  • [] - Match any characters in the brackets, e.g. [xyz]
  • [^] - Match any character not in the brackets, e.g. [^xyz]
string Required. The string to be searched

Technical Details

Works in: SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse

More Examples

Example

Return the position of a pattern in a string:

SELECT PATINDEX('%s%com%', 'W3Schools.com');
Try it Yourself »

Example

Return the position of a pattern in a string:

SELECT PATINDEX('%[ol]%', 'W3Schools.com');
Try it Yourself »

Example

Return the position of a pattern in a string:

SELECT PATINDEX('%[z]%', 'W3Schools.com');
Try it Yourself »

❮ SQL Server Functions