New Topic

GeoGebra Topic Question English

Repeated character in a text with output boolean

jospercomp shared this question 2 years ago

Answered

How to create a function that determines if there is at least some repetition of some character in a text.

"ABA" is true

"ABC" is false

"121" is true

"123" is false.

Best Answer

Michael Borcherds ● 2 years ago

How about

Length(TextToUnicode(text1))==Length(Unique(TextToUnicode(text1)))

Comments (4)

Michael Borcherds ● 2 years ago ●

How about

Length(TextToUnicode(text1))==Length(Unique(TextToUnicode(text1)))

Reply URL

jospercomp ● 2 years ago

Thank you so much!!!

URL

jospercomp ● 2 years ago

Sort(RemoveUndefined(Flatten(Sequence(Sequence(Sequence(Sequence(

If( Length({a,b,c,d}) == Length(Unique({a,b,c,d})) &&

Sum(Sequence(Element({a,b,c,d}, i) < Element({a,b,c,d}, i + 1), i, 1, Length({a,b,c,d}) - 1, 1)) == 3

&& Sum(Sequence(Element({a,b,c,d}, i) == 4, i, 1, Length({a,b,c,d}), 1)) == 1,

{"" + (UnicodeToLetter(64 + a)) + "" + (UnicodeToLetter(64 + b))

+ "" + (UnicodeToLetter(64 + c))+ "" + (UnicodeToLetter(64 + d))})

, a, 1, 7), b, 1, 7), c, 1, 7), d, 1, 7))))

////////////////////////////////////////////////////////////////////

Sort(RemoveUndefined(Flatten(Sequence(Sequence(Sequence(Sequence(

If( Length({a,b,c,d}) == Length(Unique({a,b,c,d})) &&

Sum(Sequence(Element({a,b,c,d}, i) < Element({a,b,c,d}, i + 1), i, 1, Length({a,b,c,d}) - 1, 1)) == 3,

{"" + (UnicodeToLetter(64 + a)) + "" + (UnicodeToLetter(64 + b))

+ "" + (UnicodeToLetter(64 + c))+ "" + (UnicodeToLetter(64 + d))})

, a, 1, 7), b, 1, 7), c, 1, 7), d, 1, 7))))

////////////////////////////////////////////////////////////////////

Sort(RemoveUndefined(Flatten(Sequence(Sequence(Sequence(Sequence(

If( Length({a,b,c,d}) == Length(Unique({a,b,c,d})),

{"" + (UnicodeToLetter(64 + a)) + "" + (UnicodeToLetter(64 + b))

+ "" + (UnicodeToLetter(64 + c))+ "" + (UnicodeToLetter(64 + d))})

, a, 1, 7), b, 1, 7), c, 1, 7), d, 1, 7))))

URL

rami ● 2 years ago

In some cases, the following version is helpful:

Files: txtSplitAndCoun...

Reply URL