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The regular expression for numbers separated by either spaces or commas is:
\d+(?:[ ,]+\d+)*
Explanation:
- \d+ matches one or more digits
- (?:[ ,]+\d+)* matches zero or more occurrences of:
- [ ,]+ which matches one or more spaces or commas
- \d+ which matches one or more digits
This regular expression will match a string containing one or more numbers separated by spaces or commas. For example, it will match "1, 2, 3", "4 5, 6", "7", "8,9,10".