📜  VBScript-字符串

📅  最后修改于: 2020-10-19 04:08:27             🧑  作者: Mango


字符串是一个字符序列,可以包含字母或数字,特殊字符或全部。如果变量用双引号“”引起来,则称该变量为字符串。

句法

variablename = "string"

例子

str1 = "string"   ' Only Alphabets
str2 = "132.45"   ' Only Numbers
str3 = "!@#$;*"   ' Only Special Characters
Str4 = "Asc23@#"  ' Has all the above

字符串函数

有预定义的VBScript字符串函数,可帮助开发人员非常有效地使用字符串。下面是VBScript支持的String方法。请单击每种方法以详细了解。

Function Name Description
InStr Returns the first occurrence of the specified substring. Search happens from left to right.
InstrRev Returns the first occurrence of the specified substring. Search happens from Right to Left.
Lcase Returns the lower case of the specified string.
Ucase Returns the Upper case of the specified string.
Left Returns a specific number of characters from the left side of the string.
Right Returns a specific number of characters from the Right side of the string.
Mid Returns a specific number of characters from a string based on the specified parameters.
Ltrim Returns a string after removing the spaces on the left side of the specified string.
Rtrim Returns a string after removing the spaces on the right side of the specified string.
Trim Returns a string value after removing both leading and trailing blank spaces.
Len Returns the length of the given string.
Replace Returns a string after replacing a string with another string.
Space Fills a string with the specified number of spaces.
StrComp Returns an integer value after comparing the two specified strings.
String Returns a String with a specified character the specified number of times.
StrReverse Returns a String after reversing the sequece of the characters of the given string.