addtime='2016-09-03 18:12:44' substr(addtime,1,10) as 創建日期 SUBSTR(string, string charcter, number of charcters)參數含義:string:為字符列或字符串表達式string ...
addtime='2016-09-03 18:12:44' substr(addtime,1,10) as 創建日期 SUBSTR(string, string charcter, number of charcters)參數含義:string:為字符列或字符串表達式string ...
首先定義一個字符串 'recipientsInfo[11]' 1、'recipientsInfo[11]'.replace(/[^\d]/g, ''); 2、`recipientsInfo[11]`.match(/\d+/g); ...
http://stackoverflow.com/questions/6198986/how-can-i-replace-non-printable-unicode-cha ...
有一個字符串 “aaddfdfdercfghfyttefsfsfewretr123trefg5624sdfcgvfdgte6435234532”,現在需要取出里面出現次數最多的字符 第一種方法-裝飾器 得到的結果是: 第二種方法,使用python ...
select substring(reverse('0->星光'),PATINDEX('%[0-9]%',reverse('0->星光')),1) ...
1str -> date import datetime detester = ‘2017-01-01' date = datetime.datetime.strptime(detester ...
形如: ...