Match a not-empty string. A string with only spaces or no characters is an empty-string. When match something, mathc all the string with the exception of the eventually space at the and

White space

correctly handle the case where the value is splitted on multiple lines.

A powerful regex (fewest steps possible) which gives you all the information about urls.

Fully qualified domain name validation

Takes any valid CSS and minimizes it, removing comments and whitespace. Can be called with something like PHP's preg_replace() to dynamically minimize css files.

Start with capital letter. Allowed special characters '(Apostrophe) -(hyphen) .(dot) (space) and can not end with -(Hyphen)

Dovrebbe beccare anche eventuali caratteri '' (due apici singoli)

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