RegEx for no whitespace at the beginning and end

Question

I want to design an expression for not allowing whitespace at the beginning and at the end of a string, but allowing in the middle of the string.

The regex I\'ve tri

Answer 1

^[^0-9 ]{1}([a-zA-Z]+\s{1})+[a-zA-Z]+$

-for No more than one whitespaces in between , No spaces in first and last.

^[^0-9 ]{1}([a-zA-Z ])+[a-zA-Z]+$

-for more than one whitespaces in between , No spaces in first and last.