Regular Expression

Regular Expression

1. Website Regex
1. regex: ^((https?|ftp|smtp):\/\/)?(www.)?([a-zA-Z0-9]{2,})+\.[a-zA-Z0-9]+(\.[a-zA-Z0-9]*)?(\/[a-zA-Z0-9#]+\/?)*$
2. Supported format
1. https://themadhurgupta.blogspot.com
2. https://themadhurgupta.blogspot
3. https://themadhurgupta.blogspot.com/#madhur
4. aa.com
5. themadhurgupta.blogspot
6. themadhurgupta.blogspot.com
7. https://www.themadhurgupta.blogspot.com
3. Here:
   ^ Should start with
   ((https?|ftp|smtp)://)? may or may not contain any of these protocols
   (www.)? may or may not have www.
   [a-z0-9]+(.[a-z]+) url and domain and also subdomain if any upto 2 levels
   (/[a-zA-Z0-9#]+/?)*/? can contain path to files but not necessary. last may contain a /
   $ should end there
   
4. If you want to try to go on https://regex101.com/r/WUp6VL/1
5. For a review of Regex Visit 
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