StartOfString

可用

Represents the start of a string in string patterns

形式

StartOfString

验证过的示例StringReplace["ababbabbaaab", StartOfString ~~ LetterCharacter -> "t"] → tbabbabbaaab StringReplace[" Have a nice day. ", (StartOfString ~~ Whitespace) -> ""]//FullForm → FullForm["Have a nice day. "]

在 Qurak 上运行搜索参考

主题

String Patterns - Operations»

相关

EndOfString StartOfLine StringExpression StringStartsQ Alternatives Blank BlankNullSequence BlankSequence DatePattern DigitCharacter EndOfLine Except

全部 6300 个函数 · 从 MCP 客户端使用