I want to make sure that users only enter numbers in a input box. What is an easy way to do this? Or even if I have to look for a range of 1 to 50.
I tried an IF statement but I can't figure out how to set a range of numbers with the statement.
Thanks
I have a text file with items such as this:
1001
1002
1004
D1001
D1002
D1004
G1001
G1002
G1008
The number of lines in this file can potentially go to 10,000. I can already parse out the different ID's, no letter or different letters. My goal is to take this parsed data and search for missing...
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