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Get values within string with special characters

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Wookie
Wookie 2023-4-12
移动：dpb 2023-4-12
Hi all,
I have a column of strings such as these. My desired output will be two columns for each respective set of numbers
"
*58477$265#"
It's newline, new line and an asterisk. I am trying to get both sets of numbers (between *..$ and $..#). I could not get sscanf or extractAfter to work for this case. Any suggestions?
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Walter Roberson
Walter Roberson 2023-4-12
Note: textscan() can only handle a string scalar or a character vector (not a character array), so it cannot directly be used in this situation, at least not without looping or arrayfun()... though you could potentially join() the strings to make one long string that you could process with textscan()
per isakson
per isakson 2023-4-12
Ran in:
One more hint
str = sprintf("\n\n*58477$265#"); % sample data
extractBetween( str, "*", "$" )
ans = "58477"
extractBetween( str, "$", "#" )
ans = "265"
and it's nothing wrong with loops if your column isn't HUGE and execution time becomes a problem.

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回答（1 个）

dpb
dpb 2023-4-12
移动：dpb 2023-4-12
Ran in:
str = sprintf("\n\n*58477$265#"); % sample data
str = [str;str];
Carrying on in the same vein with some of the newer stuff...
str2double(extract(str,digitsPattern))
ans = 2×2
58477 265 58477 265

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