remove characters in a string in matlab

To remove specific characters from a string in Matlab, you can use the replace function or regular expressions with the regexprep function.

Here's an example using replace to remove all occurrences of the letter "a" from a string:

main.m
str = "This is a sample string with some letters.";
newStr = replace(str, "a", "");
disp(newStr)
97 chars
4 lines

Output:

main.m
This is  smple string with some letters.
41 chars
2 lines

If you need to remove a specific substring or match a pattern, you can use regexprep. For example, to remove all digits from a string:

main.m
str = "abc123def456";
newStr = regexprep(str, '\d', '');
disp(newStr)
70 chars
4 lines

Output:

main.m
abcdef
7 chars
2 lines

In this example, the \d regular expression matches all digits and replaces them with an empty string.