get span of character set in string
res = strspn(str1, str2)
a character string or matrix of character strings.
a character string or matrix of character strings.
a matrix of character strings.
res = strspn(str1, str2)
returns the length of the initial portion of str1
which consists only of characters that are part of str2
.
str1
must have same dimensions as str2
or str2
must be 1x1 string. The output will be the same dimensions as str1
in both cases.
i = strspn("129th","1234567890"); mprintf ("The length of initial number is %d.\n",i); i = strspn(["129th","130th"],["1234567890","130t"]) | ![]() | ![]() |