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Quick regex tutorial

{N} = repetitions

{2,} = two or more

{2,3} = two or three

Ap{2,}les matches Apples  (with as many ‘p’ as possible)

Ap{2}les matches Apples (and only Apples, where there are 2 ‘p’ characters)

[] = OR matching

Ap[pe]les matches Apples or Apeles

 

(chars) = group of characters

+ = one character or more

* = zero characters or more


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