Capture the input if the pattern is NOT found

Names with only one spacing allowed in between words.

hexa deciamal number with ending with ( :) a special character

Validate multiple Email-addresses separated by semicolon. No check on allowed domains, just a plain and simple check on the correct structure

This matches EU IBAN codes considering spaces here and there

This regex represents the httpurl in BNF from rfc1738 (at topic 5). Reference:https://www.ietf.org/rfc/rfc1738.txt

Matches localhost ip range with optional port capture: 127.X.X.X or 127.X.X.X:PORT ToDo: check valid ip address.

Remove whitespace before and after the string. Use g for trimming before and after Use m for trimming each line of a multiline string individually. Code: ' test '.replace( /(^\s+|\s+$)/gm, '' );

kostix@mail.ru

Between two strings.

All Valid: 3334444 222333444 12223334444 333-4444 222-333-4444...

[a-zA-Z0-9]+)\\s{1,}(?P.*)/im"; $str = "/\n@author Marian Gabriel\n@route /page/contact\n@name Contact Plugin\n@version 0.1beta\n@company VMG\n@type Page\n/\n\n"; preg_match_all($re, $str, $matches); function getValue($attr, $matches) {...

Match numeric input that may or may not include commas and/or decimal point.