How to build regular expressions by VBS

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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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