A regular expression that can be used to match and delete unnecessary whitespace between words in a string.
A regular expression that checks if a string contains Chinese, Japanese, and/or Korean characters.
A regular expression to match all text content between the opening and closing HTML tags.
A regular expression that matches a valid EIN (Employer Identification Number) number.
A regular expression to simply match numbers that contains only digits, commas, and dots.
A regular expression matches all Greek and Latin characters (with accented letters) in a string.
A regular expression to extract any characters between the last two parentheses (round brackets).
A regular expression matches a character that appears at the beginning and the end of a string.
Yet another email regular expression that matches email addresses at a specific domain.
A regular expression to match a markdown-style URL link with or without title text.
A regular expression to match everything until the last dot(.).
A regular expression that can be used to get the last X (2, for example) characters of a string.
A simple regular expression to match leading zeros. Can be used to remove all leading zeros from integers in a string.
A regular expression to extract the filename or domain name from a given URL (after the /, before the file extension).
A regular expression to match characters that are not letters and spaces in a string.
A regular expression To match everything until meeting the first parenthesis in the string.
A regular expression to match consecutive occurrences of the same character in a string.
A regular expression to match the last segment (path delimited by slashes) of a URL.
A regular expression to match all parameters (anything after the ?) in a URL.
A Regular Expression to match and validate a list of comma-separated email addresses.
A regular expression to match the dollar symbol and comma in a string.