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edited Apr 13, 2017 at 12:55

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When I try to figure out this problem this problem,I write such code:

words = Catenate[ WordList[#, Language -> "English", IncludeInflections -> True] & /@ {"KnownWords", "Stopwords"}]; string = StringReplace[ "What is the best approach to a problem like this in Mathematica?", " " -> ""]; StringCases[string, __?(MemberQ[words, ToLowerCase[#]] &)]

{"WhatisthebestapproachtoaproblemlikethisinMathematica"}

But I am confused why I get whole string?What's mistake I have made?

When I try to figure out this problem,I write such code:

words = Catenate[ WordList[#, Language -> "English", IncludeInflections -> True] & /@ {"KnownWords", "Stopwords"}]; string = StringReplace[ "What is the best approach to a problem like this in Mathematica?", " " -> ""]; StringCases[string, __?(MemberQ[words, ToLowerCase[#]] &)]

{"WhatisthebestapproachtoaproblemlikethisinMathematica"}

But I am confused why I get whole string?What's mistake I have made?

When I try to figure out this problem,I write such code:

words = Catenate[ WordList[#, Language -> "English", IncludeInflections -> True] & /@ {"KnownWords", "Stopwords"}]; string = StringReplace[ "What is the best approach to a problem like this in Mathematica?", " " -> ""]; StringCases[string, __?(MemberQ[words, ToLowerCase[#]] &)]

{"WhatisthebestapproachtoaproblemlikethisinMathematica"}

But I am confused why I get whole string?What's mistake I have made?

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occurred Jul 7, 2016 at 11:22

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edited Jul 7, 2016 at 8:06

J. M.'s missing motivation

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pattern-matching string-manipulation

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asked Jul 6, 2016 at 13:24

yode

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Why the pattern match don't work as expected

When I try to figure out this problem,I write such code:

words = Catenate[ WordList[#, Language -> "English", IncludeInflections -> True] & /@ {"KnownWords", "Stopwords"}]; string = StringReplace[ "What is the best approach to a problem like this in Mathematica?", " " -> ""]; StringCases[string, __?(MemberQ[words, ToLowerCase[#]] &)]

{"WhatisthebestapproachtoaproblemlikethisinMathematica"}

But I am confused why I get whole string?What's mistake I have made?

string-manipulation

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Why the pattern match don't work as expected