Dynamic regular expression replacement: token number
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Hi,
I was trying to do something that sounded simple... but I'm stuck!
Trying to replace matched tokens using regexprep, but I'd like to replace them with there token number dynamically.
For example:
regexprep('(first matched_token)_fjezhfjksdhf_(second matched_token)','matched_token', 'matchednumber_$DUNNO?')
would output
(first matchednumber_1)_fjezhfjksdhf_(second matchednumber_2)
Any idea appreciated, thanks!
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回答 (2 件)
Sai Veeramachaneni
2020 年 3 月 23 日
You can use something similar to below code to simulate the required behavior.
str='(first matched_token)_fjezhfjksdhf_(second matched_token)';
i=0;
while true
i=i+1;
temp=regexprep(str,'matched_token',strcat("matchednumber_",num2str(i)),'once');
if isequal(temp,str)
break
end
str=temp;
end
str
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