Simplify a string with MATLAB script

조회 수: 2 (최근 30일)
Lucas S
Lucas S 2020년 2월 27일
댓글: Lucas S 2020년 2월 28일
Hello !
I have a string format which looks like this (this is not always 'A' before '_' and numbers) :
Eq = 'A_1+((A_2+A_3)&(A_4+A_5))+A_6';
How can i simplify the string like this (with a script) :
Eq = 'A_(1+((2+3)&(4+5))+6)'
For me the simplest way would be to delete all 'A_' iteration except the first one and to add a '(' after the first 'A_' but i don't know how to do it in a script.
Thank you in advance for your help !
Edit : After Stephen answer review, i realized i missed a detail : sometimes the string can be like this :
'A_number_1+((A_number_2+A_number_3)&(A_number_+A_number_5))+A_number_6';
==> 'A_number_(1+((2+3)&(4+5))+6)'
With multiple string for example : 'String_String_String_1' . Is there anyway to delete string and '_' behind a number ?

채택된 답변

Stephen23
Stephen23 2020년 2월 27일
편집: Stephen23 2020년 2월 27일
>> Eq = 'A_1+((A_2+A_3)&(A_4+A_5))+A_6';
>> Fq = regexprep(Eq, '^([A-Z]+_)(.*)', '$1\(${strrep($2,$1,'''')}\)')
Fq =
A_(1+((2+3)&(4+5))+6)
  댓글 수: 10
Stephen23
Stephen23 2020년 2월 28일
편집: Stephen23 2020년 2월 28일
"'Or use regexp but for me regexp is only for same format's same length's string (i'm probably wrong)"
I can't see anything in the regular expression that restricts it to "same length's string" as you write, it adapts exaclty to the the length of the leading name, with any number of 'string_' repetitions.
When I run it on all of your example strings, I get the expected outputs, e.g.:
>> Eq = 'A_number_1+((A_number_2+A_number_3)&(A_number_4+A_number_5))+A_number_6';
>> Fq = regexprep(Eq, '^(\w+?)(\d+\W.*)', '$1\(${strrep($2,$1,'''')}\)')
Fq =
A_number_(1+((2+3)&(4+5))+6)
and
>> Eq = 'string_string_number_1+((string_string_number_2+string_string_number_3)&(string_string_number_4+string_string_number_5))+string_string_number_6';
>> Fq = regexprep(Eq, '^(\w+?)(\d+\W.*)', '$1\(${strrep($2,$1,'''')}\)')
Fq =
string_string_number_(1+((2+3)&(4+5))+6)
etc. etc.
Please show me a single example of my code that does not give the expected output, so that I can check it.
Lucas S
Lucas S 2020년 2월 28일
Hmmm ok i'm dumb i tried with your 1st post thinking it was the new one ... My bad thank you !

댓글을 달려면 로그인하십시오.

추가 답변 (0개)

카테고리

Help CenterFile Exchange에서 Characters and Strings에 대해 자세히 알아보기

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by