#!/bin/bash

#
# String comparison with a pattern in a variable. The pattern matches any
# word that ends with 'man' that is longer than 3 letters.
#
pattern="+([[:word:]])man"
echo "Pattern is: $pattern"
for str in 'man' 'woman' 'German' 'Xman' 'romance' ''; do
    if [[ $str == $pattern ]]; then
        echo "Matched '$str'"
    else
        echo "Didn't match '$str'"
    fi
done