字符串函数 (Azure Cosmos DB)String functions (Azure Cosmos DB)
适用于:
SQL API
使用字符串函数可以对 Azure Cosmos DB 中的字符串执行操作。The string functions let you perform operations on strings in Azure Cosmos DB.
函数Functions
以下标量函数对字符串输入值执行操作,并返回字符串、数字或布尔值:The following scalar functions perform an operation on a string input value and return a string, numeric, or Boolean value:
- CONCATCONCAT
- CONTAINSCONTAINS
- ENDSWITHENDSWITH
- INDEX_OFINDEX_OF
- LEFTLEFT
- LENGTHLENGTH
- LOWERLOWER
- LTRIMLTRIM
- REGEXMATCHREGEXMATCH
- REPLACEREPLACE
- REPLICATEREPLICATE
- REVERSEREVERSE
- RIGHTRIGHT
- RTRIMRTRIM
- STARTSWITHSTARTSWITH
- StringToArrayStringToArray
- StringToBooleanStringToBoolean
- StringToNullStringToNull
- StringToNumberStringToNumber
- StringToObjectStringToObject
- SUBSTRINGSUBSTRING
- ToStringToString
- TRIMTRIM
- UPPERUPPER