SELECT CASE WHEN INSTR('Hello, World!', ',') > 0 THEN SUBSTR('Hello, World!', INSTR('Hello, World!', ',') + 1) ELSE 'Special character not found' END AS Substring_After_Comma FROM DUAL; 这个查询在找不到逗号时返回'Special character not found'。你可以根据实际需求调整这个逻辑...
Put a space after every characterSELECT testcol,REGEXP_REPLACE(testcol, '(.)', '\1 ') RESULT FROM test WHERE testcol like 'S%'; Replace multiple spaces with a single spaceSELECTREGEXP_REPLACE('500 Oracle Parkway, Redwood Shores, CA', '( ){2,}', ' ') RESULT FROM dual; Insert a...
Anchoring CharactersCharacterClass Description^Anchor the expressiontothestartofa line $ Anchor the expressiontotheendofa line 十一、官方说明(英文原版说明) Equivalence Classes Character Class Description = = Oracle supports the equivalence classes through the POSIX '[==]' syntax. A base letter and al...
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...
no * after repeat count(重复计数后没有 *) 1010 record too long(记录太长) 1011 truncation failed(截断失败) 1012 incomprehensible list input(无法理解的列表输入) 1013 out of free space(可用空间不足) 1014 unit not connected(单元未连接) 1015 read unexpected character(读取意外的字符) 1016...
Allofthe characters after the last non-letter character are discarded. Inourexample,this leaves the substringABFFFGH. The system then increments the last character to the next sequence letter. Our new revision isABFFFGI. For revisionnumbers that do not have any non-letter characters,no substring...
To reference the value of a map entry, use dot notation like this, using the may key value as if it were a field name on the map object: def closedDayLimit = maxDaysByStatus.Closed If the key value contains a literal dot character or contains spaces or special characters, you can ...
我们希望在每个“，”分隔符后收集4个字符 以下是使用regexp_replace的方法：
This example will return 'TechOnTheNet ' because it will extract all non-whitespace characters as specified by(\S*)and then the first whitespace character as specified by(\s). The result will include both the first word as well as the space after the word. ...
Substring to Find: ' ' is the space character we are looking for within the target string. Result: The function returns the position of the first occurrence of the space character within the string. Since the first space in the string 'THIS IS THE THING' appears after the word 'THIS', ...