[issue41605] t = re.sub(".*", "*", src) has different ouput

[Eric V. Smith]

Eric V. Smith <eric at trueblade.com> added the comment:

I'm suspicious that this differs per-OS. Please provide exact Python version information for each OS you list in your initial report.

I suspect what you're seeing is related to this change:

Changed in version 3.7: Empty matches for the pattern are replaced when adjacent to a previous non-empty match.

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components: +Regular Expressions -2to3 (2.x to 3.x conversion tool)
nosy: +eric.smith, ezio.melotti, mrabarnett

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