From this StackOverflow question: https://stackoverflow.com/questions/60179989/how-to-match-only-first-occurrence-of-string-between-strings-using-regex

accept Arabic letters with spaces

Indian mobile/landline numbers regex with optional +91 support

Indian mobile/landline numbers regex with +91 support

Since flipkart.com takes https://www. only or starts directly with flipkart.com. this is a regex to match any flipkart url

Global match all credit cards like numbers (obviously no luhn check). Updated for 2020

check notion exported markdown: is empty page with links to another markdowns only