I want to compare user input to String, if not valid then the program should display the menu. How do I do it?
126
How do I compare strings in Java?
114670
How do I perform an expandable string comparison?
33772
Is there any difference in equals and == for String variables?
113229
How do I compare two strings in Perl?
42559
(Built-in) way in JavaScript to check if a string is a valid number
32569
How should I parse user input in a text adventure game?
155577
How can I validate a radio button?
31372
Why does this accept invalid input?
47682
How to validate input using scanf
96990
python: If an entry is not an acceptable parameter for a prompt, how to re-ask
124650
Is `if (condition = value)` the correct syntax for comparison?
13278
How do I make my string comparison case-insensitive?
14800
How do I check if a string contains a specific word?
110451
How to check if a string is numeric?
118004
How to use Scanner to accept only valid int as input
108528
How to compare functions?
156640
How can I check if a string exists in another string