Regex tester
Pattern
Input
3253442999934 did not read book # 98713429
Options
Replacement
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1 match found in about 1 millisecond.
IndexPositionMatched String$1
022read book # 9871342998713429
3253442999934 did not read book # 98713429
  1. 3253442999934 did not
  2. 98713429
  3. empty string