1.Extract /* *用于从text内容中,根据正则表达式提取内容 *text:待提取的内容 *pattern:构造,编译后的正则表达式 *rewrite:控制输出结果 *out:按照rewrite定义的输出结构 */ static bool Extract(const StringPiece &text, const RE2& pattern, const StringPiece &rewrite, string *out); text:待提取的内容 patt...
DECFLOATCOLLATION_KEYCOALESCE 0000000000000lpad(stringstr,intlen,stringpad)log(doublebase,doublea)+转换locate(stringsubstr,stringstr[,int0pos])00ln(doublea)0lcase(stringA)000000000floor(2345.67)0cast(…as<obj>)0regexp_extract(stringsubject,stringpattern,intindex)substr ...
文字分析功能regexp_extract_all、regexp_extract_all_sp、regexp_extract_sp 及 regexp_replace_sp 函數請考量重新撰寫程式碼以使用Db2REGEXP_EXTRACT 函數。 陣列函數所有函數,例如 add_element請考慮使用 SQL PL 陣列支援。 集合函數集合及 element_type 函數請考慮改用 SQL PL 陣列支援。
8. Oracle中的正则表达式用到哪四个函数? REGEXP_LIKE REGEXP_INSTR REGEXP_SUBSTR REGEXP_REPLACE 9. Oracle中有哪些常用的字符函数? 常用的有如下几个函数: lower(char)将字符串全部转为小写的格式; upper(char)将字符串全部转化为大写的格式; initCap(char)每个单词首字母大写其余小写 concat(char1,char2…...
DECFLOATCOLLATION_KEYCOALESCE 0000000000000lpad(stringstr,intlen,stringpad)log(doublebase,doublea)+转换locate(stringsubstr,stringstr[,int0pos])00ln(doublea)0lcase(stringA)000000000floor(2345.67)0cast(…as<obj>)0regexp_extract(stringsubject,stringpattern,intindex)substr ...
The REGEXP_EXTRACT scalar function returns one occurrence of a substring of a string that matches the regular expression pattern. REGEXP_EXTRACT(source-string ,pattern-expression ,start,occurrence,flags,group ,CODEUNITS32,CODEUNITS16OCTETS ) The schema is SYSIBM. The REGEXP_EXTRACT scalar function...
REGEXP_LIKE REGISTER REJECT REKEY RELATIONAL RELY REMOTE_MAPPED RENAME REPAIR REPLACE REQUIRED RESET RESETLOGS RESIZE RESOLVE RESOLVER RESOURCE RESTORE RESTORE_AS_INTERVALS RESTRICT RESTRICTED RESTRICT_ALL_REF_CONS RESUMABLE RESUME RETENTION RETURN RETURNING REUSE REV...
EXTRACT 0 regexp_extract(string subject, string pattern, int index) 通过下标返回正则表达式指定的部分 写法不一 ENCRYPT_TDES 0 不支持 EBCDIC_STR 0 不支持 EBCDIC_CHR 0 不支持 DSN_XMLVALIDATE 0 不支持 DOUBLE_PRECISION 0 不支持 DIGITS 0 不支持 ...
REGEXP_LIKE REGISTER REJECT REKEY RELATIONAL RELY REMOTE_MAPPED RENAME REPAIR REPLACE REQUIRED RESET RESETLOGS RESIZE RESOLVE RESOLVER RESOURCE RESTORE RESTORE_AS_INTERVALS RESTRICT RESTRICTED RESTRICT_ALL_REF_CONS RESUMABLE RESUME RETENTION RETURN RETURNING REUSE REV...
something like : CALL SQLJ.INSTALL_JAR('file:/tmp/avalanche/db2_regex/lib/db2_regex.jar', db2_regex); 5- In a DB2 command line processor window, run : \>db2 connect touserusing\>db2 set current schema='REGEXP' \>db2 -td@ -vf C:\avalanche\db2_regex\scripts\sql\db2_regex_...