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This article mainly explains "how to build regular expressions in VBS". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to build regular expressions in VBS".

Establish a regular expression

You construct regular expressions in the same way as you create mathematical expressions. That is, a variety of metacharacters and operators are used to combine small expressions to create larger expressions.

You can construct a regular expression by placing various components of the expression pattern between a pair of delimiters. For Visual Basic Scripting Edition, the delimiter is a pair of forward slash (/) characters. For example:

/ expression/

For VBScript, a pair of quotation marks ("") is used to determine the boundaries of the regular expression. For example:

"expression"

In the two examples shown above, the regular expression pattern (expression) is stored in the Pattern property of the RegExp object.

The components of a regular expression can be a single character, a character collection, a character range, a choice between characters, or any combination of all these components.

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