5 lines
121 B
Plaintext
5 lines
121 B
Plaintext
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^(?!.*(.).*\1)[abcdefghijklmnopqrstuvwxyz]+$
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^(?!.*(.).*\1)[hijklmn]+$
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^(?!.*(.).*\1)[opqrst]+$
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^(?!.*(.).*\1)[uvwxyz]+$
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