Search notes:

Microsoft VBScript Regular Expressions

Classes

Collections are zero-based.

RegExp

`Execute(txt)`	Applies the regular expression (`Pattern`) on `txt` and returns a `IMatchCollection2` (See `MatchCollection`). If `txt` didn't match the `.Pattern`, the returned object's value of `.count` seems to be `0` (rather than returning `nothing`).
`Global`
`IgnoreCase`
`Multiline`
`Pattern`	The text of the regular expression.
`Replace()`
`Test(txt)`	Returns true if the regular expression (`Pattern`) matches `txt`

MatchCollection

`Count`
`Item`	Returns an `IMatch2` (See `Match`)

Match

`FirstIndex`
`Length`
`Submatches`	Returns an `ISubMatches` (see `Submatches`)
`Value`

SubMatches

`Count`
`Item()`

Misc

The GUID of version 5.5 seems to be {3F4DACA7-160D-11D2-A8E9-00104B365C9F}.

See also

Useful COM object libraries

Regular expressions

In SQL Server, this library can be used to create a function for regular expression replacements: regexp_replace().

Using regular expressions in VBA

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