• 字串指定位置开始。

    The substring starts at a specified character position.

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  • 如果不到字串则传回- 1

    If the substring is not found, a -1 is returned.

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  • 传回格式化子字串

    Returns a substring of the formatted string.

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  • 传回指定位置起始具有指定长度子字串

    Returns a substring beginning at a specified location and having a specified length.

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  • 传回格式化子字串选择性包含提示常值密码元。

    Returns a substring of the formatted string, optionally including prompt, literal, and password characters.

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  • 规则运算式比对所定义位置,将输入分割子字阵列

    Splits an input string into an array of substrings at the positions defined by a regular expression match.

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  • 可以使用规则运算式搜寻中的模式取代以及撷取子字

    You can use regular expressions to search for patterns in a string, replace text, and extract substrings.

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  • 搜寻指定传回来源字串第一个相符项目的零起始的索引

    Searches for the specified character and returns the zero-based index of the first occurrence within the entire source string.

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  • 这个执行个体字串所有出现的指定元,取代另一个指定的元。

    Replaces, within a substring of this instance, all occurrences of a specified character with another specified character.

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  • 指定输入子字内,使用指定取代来取代符合规则运算式模式的指定最大数目。

    Within a specified input substring, replaces a specified maximum number of strings that match a regular expression pattern with a specified replacement string.

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  • 这个型别转换只能32 位元正负号的整数物件相互转换

    This type converter only can convert a 32-bit signed integer object to and from a string.

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  • 这个型别转换只能32 位元正负号的整数物件相互转换

    This type converter only can convert a 32-bit signed integer object to and from a string.

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