就可以实现非贪婪或最小匹配*/selectregexp_replace(json,'(\{"advantage\S*?unitName":")|(","unitRemark\S*?\})|\[|\]','')fromtb/*结果:XX公司,YY公司*/ 使用例子4(替换字符串中的日期): select'测试 (2022-09-01)', regexp_replace('测试 (2022-09-01)','(\d{4}-\d{2}-\d{2}...
就可以实现非贪婪或最小匹配*/selectregexp_replace(json,'(\{"advantage\S*?unitName":")|(","unitRemark\S*?\})|\[|\]','')fromtb/*结果:XX公司,YY公司*/ 使用例子4(替换字符串中的日期): select'测试 (2022-09-01)', regexp_replace('测试 (2022-09-01)','(\d{4}-\d{2}-\d{2}...
REGEXP_REPLACE ( source_string, search_pattern [, replacement_string [, star_position [, nth_occurrence [, match_parameter ] ] ] ] )Code language:SQL (Structured Query Language)(sql) Arguments TheREGEXP_REPLACE()function takes 6 arguments: ...
都需要首先运行catblock.sql脚本，该脚本位于$Oracle_HOME/rdbms/admin目录下。
问使用Oracle SQL regexp_replace不区分大小写替换所有出现的项EN默认情况下，SQL Server不区分大小写，...
Using REGEXP_REPLACE A custom function Perhaps the most widely accepted way is to use nested REPLACE statements. For example, consider this string: “My first name is (x), my last name is (y), and I’m from (z).” If you wanted to replace the (x), (y), and (z) values, you...
TRANSFORM_VALUE ERROR_LOG_SAMPLE[DBMS_TYPE:regexp_replace("DBMS_TYPE",'Oracle','PostgreSQL')] or to replace all Oracle char(0) in a string by a space character: TRANSFORM_VALUE CLOB_TABLE[CHARDATA:translate("CHARDATA", chr(0), ' ')] The expression will be applied in the SQL stateme...
Oracle Database SQL Functions for Regular Expressions The database provides a set of SQL functions that allow you to search and manipulate strings using regular expressions. You can use these functions on any datatype that holds character data such as CHAR, NCHAR, CLOB, NCLOB, NVARCHAR2, and ...
ORACLE SQL|转义整个字符串变量 我有一个变量,里面有一个左括号和右括号,但它被regexp_like作为正则表达式读取,因此下面的代码无效。我的问题是,如何在不修改字符串本身的情况下转义整个字符串变量 declare TW_keyword varchar2(100) := 'THE QUICK (BROWN)';...
REGEXP_SUBSTR– Similar to the SUBSTR function, but allows for regular expressions. INSTR– This allows you to search for a string within another string. LENGTH– Returns the length of the provided string. REPLACE– Replaces one string with another string in the provided value. ...