You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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Regexp: (a|b{0,3}){0,1}
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a: Ok
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aa: Fail
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b: Ok
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bb: Ok
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bbb: Ok
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bbbb: Fail
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ab: Fail
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ba: Fail
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Regexp: ([0-9]{0,3}|([0-9]{0}|[0-9]{0,3})){0,3}
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0: Ok
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00: Ok
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123: Ok
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abc: Fail
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