Remove the white spaces (trailing and leading) from the input variable
Find all elements less than 0 or greater than 10 and replace them with NaN
give nth decimal place of pi
select the primes of a vector
Is it a number?
Beginner's Problem - Squaring
Determine whether the string elements are alphabatic or alphanumeric or numeric digit or the other catagories
Whether the input is vector?
Justify the character string in center with proportional fonts
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