Re: regular expression

On 1 June 2010 16:31, Richard Quadling <rquadling@gmail.com> wrote: > $re1 = '/^[a-z]++$/i'; ^[a-z]++$ Options: case insensitive; ^ and $ match at line breaks Assert position at the beginning of a line (at beginning of the string or after a line break character) «^» Match a single character in the range between “a” and “z” «[a-z]++» Between one and unlimited times, as many times as possible, without giving back (possessive) «++» Assert position at the end of a line (at the end of the string or before a line break character) «$» > $re2 = '/^[a-z ]++$/i'; ^[a-z ]++$ Options: case insensitive; ^ and $ match at line breaks Assert position at the beginning of a line (at beginning of the string or after a line break character) «^» Match a single character present in the list below «[a-z ]++» Between one and unlimited times, as many times as possible, without giving back (possessive) «++» A character in the range between “a” and “z” «a-z» The character “ ” « » Assert position at the end of a line (at the end of the string or before a line break character) «$» -- ----- Richard Quadling "Standing on the shoulders of some very clever giants!" EE : http://www.experts-exchange.com/M_248814.html EE4Free : http://www.experts-exchange.com/becomeAnExpert.jsp Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731 ZOPA : http://uk.zopa.com/member/RQuadling