mobi, epub, pdf |eng | 2010-10-31 | Author:chromatic

The negated form of the binding operator (!~) evaluates to a false value if the match succeeds. The qr// Operator and Regex Combinations Regexes are first-class entities in modern Perl ...

epub, mobi |eng | 2013-11-22 | Author:Peteris Krumins

3883737189170238912377 However, this line wouldn’t be printed because it also contains some characters: 8388338 foo bar random data 999 You can also invert the ^\d$ regular expression and use \D: ...