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Description

\d matches any digit and \D anything else. Compare Case 1 and Case 2. Use "[0-9]" if your programming language does not support this abbreviation (Case 3).

Source

Page 123; published: 1234 id=12#24@112

Case 1

Regular Expression: \d
First match:Page 123; published: 1234 id=12#24@112
All matches:Page 123; published: 1234 id=12#24@112

Case 2

Regular Expression: \D
First match:Page 123; published: 1234 id=12#24@112
All matches:Page 123; published: 1234 id=12#24@112

Case 3

Regular Expression: [0-9]
First match:Page 123; published: 1234 id=12#24@112
All matches:Page 123; published: 1234 id=12#24@112