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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