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First let’s see what is alphanumeric. Alphanumeric is any alphabet from (A to Z or a to z) or any number from (0 to 9) so alphanumeric validation makes sure that all the characters entered in an input are alphanumeric.
To validate we will use a regular expression you may call it regex and we will see if the entered input matches the regular expression. So now let’s see this in code. It is very simple and easy to do. Just follow me.
This is the Regular Expression which we are going to use to validate:
ADD this HTML code
This was for today if you want coding guides in HINDI then you can visit our Hindi coding blog here –Hindi coding blog.
Thank you for reading, have a nice day 🙂