ORACLE有没有判断一个字符串里面包含令一个字符串的函数 oracle如何判断两个字符串包含
\u600e\u4e48\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u5b57\u7b26content\uff08\uff09\u65b9\u6cd5\uff0c\u5224\u65ad\u5b57\u7b26\u4e32\u5305\u542b\uff0c\u6216\u8005\u7528indexOf\uff08\uff09\u65b9\u6cd5\uff0c\u8fd4\u56de\u5305\u542b\u5b57\u7b26\u4e32\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\u4f4d\u7f6e\uff0c\u5982\u679c\u6ca1\u627e\u5230\u8fd4\u56de-1\uff1a\u4f8b\u5982if(str.content(str1)){}\u6216\u8005if(str.indexOf(str1)=-1){}
oracle\u5982\u4f55\u5224\u65ad\u4e24\u4e2a\u5b57\u7b26\u4e32\u5305\u542b
\u51fd\u6570:function HasSameChar(str1,str2:string):boolean;vari,j:Integer;blChk:Boolean;beginblChk:=False;for i:=0 to Length(str1) dobeginfor j:=0 to Length(str2) dobeginif str1[i]=str2[j] thenbeginblChk:=True;Break;end;end;if blChk then Break;end;Result:=blChk;end;\u8c03\u7528:var blChk:boolean;beginblChk:=HasSameChar('hello','world');if blChk then showmessage('\u6709\u4ea4\u96c6')else showmessage('\u6ca1\u6709\u4ea4\u96c6');end;
INSTR(<C1>,<C2>[,I][,J])
说明：在C1中从I开始搜索C2第J次出现的位置。I：默认1； J：默认1
用indexof
indexOf()的用法：返回字符中indexof（string）中字串string在父串中首次出现的位置，从0开始！没有返回-1；方便判断和截取字符串！
绛旓細浣跨敤 REGEXP_INSTR 鍑芥暟, 鍙互瀹炵幇杩欎釜 鍔熻兘. 涓嬮潰鏄緥瀛:SQL> select * from test_reg_substr;A --- ABC123XYZ ABC123XYZ456 <Name>Edward</Name> 鎵炬暟瀛 SQL> SELECT 2 REGEXP_INSTR (a,'[0-9]+') AS A 3 FROM 4 test_reg_substr;A --- 4 4 0 涔熷氨鏄 缁撴灉...
绛旓細dbms_output.put_line('鏈塻瀛楃');else dbms_output.put_line('娌℃湁s瀛楃');end if;end;
绛旓細case when regexp_like(str, 'K{2}$') then str when regexp_like(str, '[0-9]$') then str when regexp_like(str, '[A-Za-z]$') then substr(str, 1, length(str)
绛旓細鍦∣racle鏁版嵁搴撲腑锛鍒ゆ柇鏌愪釜瀛楁鏄惁鍖呭惈涔辩爜锛堝嵆闈為鏈熺殑銆佹棤娉曟甯歌В鐮佺殑瀛楃锛夐氬父娑夊強鍒板鏁版嵁鍐呭杩涜妫鏌銆備互涓嬫槸涓浜涙柟娉曟潵灏濊瘯鍒ゆ柇鎴栧鐞嗗彲鑳藉瓨鍦ㄧ殑涔辩爜闂锛欰SCII杞瘧锛 浣跨敤 ASCIISTR 鍑芥暟灏嗗瓧绗︿覆杞崲涓哄彲鎵撳嵃鐨凙SCII琛ㄧず褰㈠紡锛岀劧鍚庢牴鎹鍒欏垽鏂槸鍚︽墍鏈夊瓧绗﹂兘鍦ㄩ鏈熺殑鑼冨洿鍐呫係qlSELECT column_name...
绛旓細1銆佸垱寤烘祴璇曡〃锛宑reate table test_num(id varchar2(20),remark varchar2(20));2銆佹彃鍏ユ祴璇曟暟鎹紝閮ㄥ垎鍊煎惈鍥炶溅鎹㈣绗︼紱insert into test_num values('123a', '123a');insert into test_num values('456', '456');insert into test_num values('78.9', '78.9');insert into test_num ...
绛旓細鍦涓涓瓧绗︿覆涓悳绱㈡寚瀹氱殑瀛楃,杩斿洖鍙戠幇鎸囧畾鐨勫瓧绗︾殑浣嶇疆;C1 琚悳绱㈢殑瀛楃涓睠2 甯屾湜鎼滅储鐨勫瓧绗︿覆I 鎼滅储鐨勫紑濮嬩綅缃,榛樿涓1J 鍑虹幇鐨勪綅缃,榛樿涓1SQL> select instr('oracle traning','ra',1,2) instring from dual;INSTRING---9浣犲彲浠ヨ繖鏍峰仛鍒ゆ柇if instr('1356',lx,1,1) >0 then...else...end if;...
绛旓細oracle鏈韩娌℃湁锛屽緱鑷畾涔涓涓鍑芥暟 create or replace function isNumber(p in varchar2)return number is result number;begin result := to_number(p);return 1;exception when VALUE_ERROR then return 0;end;璋冪敤 select isNumber('abc123') from dual 鎴栬 select isNumber('123') from dual ...
绛旓細鍑芥暟锛欼NSTR(<C1>,<C2>[,I][,J])璇存槑锛氬湪C1涓粠I寮濮嬫悳绱2绗琂娆″嚭鐜扮殑浣嶇疆銆侷锛氶粯璁1锛 J锛氶粯璁1
绛旓細浣跨敤鍑芥暟length涓巐engthb鏉鍒ゅ埆锛屾槸鍩轰簬涓枃瀛楃鍗犵敤2~4涓瓧鑺傦紝鑰孉SCII瀛楃鍗犵敤涓涓瀛楄妭锛岄偅涔堝姣擫ENGTH涓嶭ENGTHB灏变細涓嶄竴鏍枫傝繖鏍峰氨鑳藉垽鍒瓧娈典腑鏄惁鍖呭惈涓枃瀛楃锛屼絾鏄窡ASCIISTR涓鏍凤紝濡傛灉閲岄潰鐨勯潪ASCI瀛楃鍖呭惈闈炰腑鏂囷紝瀹冧竴鏍蜂笉鑳藉垽鍒備緷鐒舵湁鍙栧阀瀚岀枒銆係ELECT NAME_ONE FROM TEST WHERE LENGTH(NAME_ONE...
绛旓細鍥炵瓟锛氱敤浜庤瘑鍒互涓嬬殑鎯呭喌:鍒ゆ柇 瀛楃涓睞 鍦ㄧ敤閫楀彿鍒嗛殧鐨勫瓧绗︿覆B涓槸鍚﹀瓨鍦ㄥ: v_str_a = aa ;v_str_b= aa,bb,dd,cc ; 濡備笂,灏辫繑鍥瀁,鍚﹀垯杩斿洖N銆傛坊鍔犱簡涓浜涙牎楠屻 浠ュ悗鍙互鏍规嵁闇姹,鎸夌収鎸囧畾鐨勫垎闅旂,鎻愬彇瀛楃涓层傛瘯绔Oracle鐨勫瓧绗︿覆瑙ｆ瀽姣旇緝楹荤儲,鑳藉皝瑁呭氨灏佽銆係ql浠ｇ爜 create or ...
