Regular Expressions 101

Explanation
Pro

^start of line

Group 1(\d+(?:\/\d+)?)

\d+a Unicode decimal digit, repeated at least once

Non-Capturing Group(?:\/\d+)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d+a Unicode decimal digit, repeated at least once

Negated Character Class[^\d\n]+

+matches at least one character outside the set below:

\da Unicode decimal digit

\na line-feed (newline) character (ASCII 10)

Group 2(\d+)

\d+a Unicode decimal digit, repeated at least once

Negated Character Class[^\d\n]?

?matches at most one character outside the set below:

\da Unicode decimal digit

\na line-feed (newline) character (ASCII 10)

\D+any character that is not a Unicode decimal digit, repeated at least once

Non-Capturing Group(?:\d+)?

?repeats the group contents below at most once:

\d+a Unicode decimal digit, repeated at least once

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

^(\d+(?:\/\d+)?)[^\d\n]+(\d+)[^\d\n]?\D+(?:\d+)?

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2 Table $75
5 Chairs 875 Teabags 33 Cups
9/10 gel 125 Dishwasher tablets

2 Table $75
5 Chairs 875 Teabags 33 Cups
9/10 gel 125 Dishwasher tablets