Regex To Match Words That Start With A Specific Character
A regular expression to match all words that start with a specific character (e.g. #, @, etc) in a string.
GSTIN Number Regular Expression
A regular expression to match a valid 15-digit GSTIN number (Goods and Services Tax Identification Number) in India.
Regex To Match First Numbers In A String
A regular expression to match the first occurrence of a number in a string.
Regex To Check If A String Is All Uppercase (Or Lowercase)
A regular expression to check if a string is all uppercase (or lowercase) letters.
Regex To Match Git Repositories
A regular expression to match Git repository URLs.
Regex To Match All #hashtags In A String
A handy regular expression that can be used to match all #hashtags in strings, like Twitter tweets and Facebook posts.
Regex To Extract Video ID From Youtube Link
A regular expression to extract Youtube video ID from a link.
Regex To Match A String With No Whitespace At The Beginning And End
A regular expression that allows you to validate a string with no whitespace at the beginning and end.
UK National Insurance Number (NIN) Regular Expression
A regular expression that validates and matches UK National Insurance Number (NIN).
Regex To Match The First Line Of A Text
A regular expression to match the first line of a file. Can be useful in adding more content to the beginning or end of the first line of your code.