1*e6d6c189SCody Peter MelloBEGIN { 2*e6d6c189SCody Peter Mello str = "abc"; print gsub("b+", "FOO", str), str 3*e6d6c189SCody Peter Mello str = "abc"; print gsub("x*", "X", str), str 4*e6d6c189SCody Peter Mello str = "abc"; print gsub("b*", "X", str), str 5*e6d6c189SCody Peter Mello str = "abc"; print gsub("c", "X", str), str 6*e6d6c189SCody Peter Mello str = "abc"; print gsub("c+", "X", str), str 7*e6d6c189SCody Peter Mello str = "abc"; print gsub("x*$", "X", str), str 8*e6d6c189SCody Peter Mello str = "abc"; print gsub("b|$", "X", str), str 9*e6d6c189SCody Peter Mello} 10