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.
/^[^a-z]*$/
Regular Expressions For Strings
Regex To Match All #hashtags In A String
A handy regular expression that can be used to match all #hashtags in strings, like Twitter tweets and Facebook posts.
/(#\w+)/g
Regex To Match A String With No Whitespace At The Beginning And End
A regular expression that allows you to validate a string with no whitespace at the beginning and end.
/^[^\s]+(\s+[^\s]+)*$/
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.
/^(.*)$/m
Regex To Match All Whitespace Except New Line
A regular expression to match all whitespaces except new links in your content.
/[^\S\r\n]+/g
Regex To Match Two Characters Surrounding A Single Space
A Regular Expression to match two characters surrounding a single space, with support for enforcing a minimum and maximum number of characters.
/([a-zA-Z]\s){2,5}/
Regex To Check If A String Starts And Ends With An Alphabetic Character
A Regular Expression to validate and match a string that starts and ends with an alphabetic character.
/^[a-z].*[a-z]$/igm
Regex To Matche A Slash At The End Of A String
A regular expression that matches a slash at the end of a string.
/\/$/
Regex To Match Words With No Digits
A regular expression to match all words excluding digits
/\b[^\d\W]+\b/g
Regex To Match The First Word After A Specific Word
A regular expression that matches the first word after a specific word in a sentence.
/(?<=\bWORD\s)(\w+)/g