/Bob Reselman

Regex How-To: Quantifiers, Pattern Collections, And Word Boundaries tl;dr: "You learned to use quantifiers to declare a range of character occurrences to match. Also, you learned that pattern collections enable you to declare character classes that match characters in a generic manner. Groups execute matches that declare a particular set of characters. Word boundaries allow you to make matches by working within the boundaries of space characters and punctuation marks."

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