string not recognized problem

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Yu Li
Yu Li 2019-2-25
评论： Image Analyst 2019-2-25
I'm not sure if this title is approprite but I feel this is a very weird problem
there is a string 'Cfi' in the string text_tmp.mat, if I use the command:
strfind(text_tmp,'Cfi')
the result is 6, when I assign it to a parameter, such a 'loc_CA', it still works.
loc_CA=strfind(text_tmp,'Cfi')
but, when I put the command into a .m file and run this .m file, the result becomes empty:
load text_tmp
loc_CA=strfind(text_tmp,'Cfi')
is there any mistake with my operation?
Thanks!
Yu
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Stephen23
Stephen23 2019-2-25
编辑：Stephen23 2019-2-25
"It's not a regular Western type letter"
It looks like a standard f-ligature to me:
https://en.wikipedia.org/wiki/Typographic_ligature
When I searched for it using an online Unicode search engine it identified it as 'LATIN SMALL LIGATURE FI' (U+FB01).
Image Analyst
Image Analyst 2019-2-25
I figured it was some unicode character but by "regular", I meant it does not show up on my standard English keyboard. Most unicode characters don't. All I was able to do was to verify what Yu did, but I have no explanation for it. Do you?

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