Problem with editor search in R2016b

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KAE 2017-3-2

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编辑： KAE 2017-3-10

I switched to R2016b last month when I got a new Windows 10 Pro machine, and have noticed a problem with the editor search function that may or may not be related. If I use Ctrl+F in the Editor window to search for a phrase that includes punctuation, such as

polyfit(

it returns no hits, even though the following search does,

polyfit

Similarly no hits for the following string which is in the .m file,

.Properties.UserData.

But it can find

Properties

The problem seems to be inconsistent (sometimes I can search for strings containing periods or spaces, sometimes I can't, for example). Any ideas how to fix this?

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Stephen23 2017-3-9

@KAE: you could use Notepad++: its "Encoding" menu states what file encoding is used (and lets you change it).

KAE 2017-3-9

编辑：KAE 2017-3-10

Indeed UTF-8 is marked on the Encoding menu when I opened an .m file in Notepad++! I am confused how it could be UTF-8 since here it says "file encoding is determined by editors, such as MATLAB editor or Notepad, and most editors use the encoding specified by the user default locale setting. " [However see Answer below: the issue is that the "Whole Word" checkbox in the Editor search must be unchecked for strings beginning/ending with punctuation.]

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Answer 1

Steven Lord 2017-3-9

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Which (if any) of the three checkboxes titled "Match case", "Whole word", and "Wrap around" at the bottom of the Find & Replace dialog are selected?

What happens when you toggle those checkboxes in the eight possible combinations and repeat the process of trying to find "polyfit(" and ".Properties.UserData." in the file?

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Steven Lord 2017-3-9

I'm not completely sure what "Whole Word" counts as a word, and it's not described in the documentation for that functionality. My guess is that it is a block of characters x for which isstrprop(x, 'alpha') returns all true values or something to that effect. If that is the case I'm not really surprised that a punctuation character (either ( or .) interferes with finding a whole word.

If you want to confirm that I described above, it would be worth a question to Technical Support and/or feedback to the documentation staff for the documentation page about finding and replacing in the Editor asking to clarify those three checkboxes. [You can select the No button on the "Was this topic helpful?" question at the end of the documentation page to send your feedback right to the documentation staff.]

KAE 2017-3-10