parse crontab

Looks for and captures the last single space and the last word in a line of text that is terminated by \r\n, \n or anchored to the back.

Looks for the last single space in a line of text.

Regex for credit card date validation in the format of MM/YY. Forked from: https://stackoverflow.com/questions/20430391/regular-expression-to-match-credit-card-expiration-date

Match a single word with at least one number and one character (any language character or special character) , minimum 6 character

A complete regular expression that complies with the most recent to date USCG documentation.

parses accept language http header groups: language code iso-693-1 without country specification preference quality value

parses accept language http header groups: language code iso-693-1 without country specification preference quality value

Duplicate Words

Tag Content Extractor

Accept several kind of format, more or less usual. And refuse incorrect formats. Prefix: 0033 / +33 / (0) / 0 Number: collapsed / group by 2 / group by 3 Separator: space / dot / dash

If you understand the regexp, you can adjust it to your need. restrict special characters to .%_'- (localpart) limit length of each part and the whole to reasonable size supports 'XN' tld If you need help, read http://www.regular-expressions.info/email.html See also https://www.debuggex.com/r/9cdaaw...