Eli Youngs 87a961534f LibRegex: Prevent patterns from matching the empty string twice ...

Previously, if a pattern matched the empty string (e.g. ".*"), it would
match the string twice instead of once. Among other issues, this caused
a Regex replacement to duplicate its expected output, since it would
replace "both" empty matches.

2023-01-06 13:52:21 -07:00

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