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The REGEXP_LIKE() function returns rows that match a regular expression pattern. Noted that in SQL standard, REGEXP_LIKE is an operator instead of a function. Syntax. The following illustrates the syntax of the Oracle REGEXP_LIKE() function: REGEXP_LIKE(source_string, search_pattern [, match_parameter]); Code language: SQL (Structured Query ...
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The Oracle REGEXP_LIKE condition allows you to perform regular expression matching in the WHERE clause of a SELECT, INSERT, UPDATE, or DELETE statement. Syntax. The syntax for the REGEXP_LIKE condition in Oracle/PLSQL is: REGEXP_LIKE ( expression, pattern [, match_parameter ] ) Parameters or Arguments. expression.
REGEXP_LIKE. Condition that can appear in the WHERE clause of a query, causing the query to return rows that match the given pattern. Example: This WHERE clause identifies employees with the first name of Steven or Stephen: WHERE REGEXP_LIKE((hr.employees.first_name, '^Ste(v|ph)en$') REGEXP_COUNT.
Script Name REGEXP_LIKE- Examples; Description Validates the given expression for the following: - Whether or not the supplied strings are ANSI compliant dates - Returns only those dates which are YYYY-MM-DD (but doesn't validate whether the DD is greater than 31) - Returns only those dates which are YYYY-MM-DD (but checks for 31 as max DD) - Returns an xml string which has a start and close ...
27 Μαΐ 2023 · The REGEXP_LIKE function searches a column for a specified pattern. It’s used in a WHERE clause to check if a column matches a pattern, and if it does, then the row is included in the result set. It’s similar to the LIKE condition, but allows for regular expressions.
REGEXP_LIKE. This function searches a character column for a pattern. Use this function in the WHERE clause of a query to return rows matching the regular expression you specify. See the Oracle Database SQL Reference for syntax details on the REGEXP_LIKE function. REGEXP_REPLACE
Examples. Basic Usage. SELECT employee_name FROM employees WHERE REGEXP_LIKE (employee_name, '^Joh?n'); This query retrieves employee names that start with “John” or “Jon.” Case-Insensitive Matching. SELECT product_name FROM products WHERE REGEXP_LIKE (product_name, 'computer', 'i');
