Returns a table of captured substring(s) that match a regular expression pattern to a string. If no match is found, the function returns no row. syntaxsql REGEXP_MATCHES(string_expression,pattern_expression[, f
Learn the syntax of the regexp_like function of the SQL language in Databricks SQL and Databricks Runtime.
SQL REGEXP_LIKE() function same as like condition but matching regular expression pattern to perform like condition. SQL REGEXP_LIKE() function supported
-- 建立正则表达式测试函数 CREATE FUNCTION dbo.RegExpTest ( @source VARCHAR(5000), --需要匹配的源字符串 @regexp VARCHAR(1000), --正则表达式 @ignorecase BIT = 0 --是否区分大小写,默认为false ) RETURNS BIT --返回结果0-false,1-true AS BEGIN --0(成功)或非零数字(失败),是由 OLE 自动化...
This Oracle tutorial explains how to use the Oracle/PLSQL REGEXP_COUNT function with syntax and examples.Description The Oracle/PLSQL REGEXP_COUNT function counts the number of times that a pattern occurs in a string. This function, introduced in Oracle 11g, will allow you to count the ...
(2)用户定义聚集函数(user-defined aggregate function,UDAF) UDAF 接受多个输入数据行,并产生一个输出数据行(多对1)。像COUNT 和MAX这样的函数都是聚集函数。 (3)用户定义表生成函数(user-defined table-generating function , UDTF) UDTF 操作作用于单个数据行,且产生多个数据行(即一个表)作为输出(1对多)。
function regexpContains(text, pattern) { return new RegExp(pattern).test(text); } // 使用示例 const text = "Hello, world!"; const pattern = /world/; console.log(regexpContains(text, pattern)); // 输出: true SQL (PostgreSQL) 代码语言:txt 复制 SELECT 'Hello, world!' ~ 'world' AS...
REGEXP_COUNT scalar functionThe REGEXP_COUNT scalar function returns a count of the number of times that a regular expression pattern is matched in a string. Passthrough-only expression: This function is passthrough-only and cannot run on Db2 for z/OS® without acceleration. For information ...
REGEXP_LIKE scalar functionThe REGEXP_LIKE scalar function returns an INTEGER value of 0 or 1 indicating if the regular expression pattern is found in a string. Passthrough-only expression: This function is passthrough-only and cannot run on Db2 for z/OS® without acceleration. For ...
FIRST_PHONE_NO---38Code language:SQL (Structured Query Language)(sql) To find the second phone number in the string, you pass thepositionandoccurrencearguments to theREGEXP_INSTR()function as follows: SELECTREGEXP_INSTR('If you have any question please call 123-456-7890 or (123)-456-7891...