first_argchr: Index of a first instance of char in a string
Description
Take a string str, then look for
the position index of the first instance of the char chr.
Usage
first_argchr(str, chr)
Arguments
str
a string.
chr
a char of length(chr) = 1.
Value
Return the position index of the first chr in str.
Details
None.
See Also
argchr returns all the instances
of chr in str.
first_argchr returns the first instance
of chr in str.
delstr_begin deletes the beginning of a string.
delstr_end deletes the end of a string.