Fixed #31311 -- Removed unneeded escapes in validator regexes.
Fixed #31311 -- Removed unneeded escapes in validator regexes.

Special characters lose their special meaning inside sets of characters.

"-" lose its special meaning if it's placed as the first or last
character.

theo-l/django,felixxm/django,googleinterns/django,claudep/django,freakboy3742/django,atul-bhouraskar/django,elena/django,wkschwartz/django,theo-l/django,elena/django,koordinates/django,django/django,auvipy/django,solarissmoke/django,kaedroho/django,claudep/django,monetate/django,googleinterns/django,django/django,solarissmoke/django,takis/django,shaib/django,wkschwartz/django,takis/django,shaib/django,pauloxnet/django,freakboy3742/django,blighj/django,googleinterns/django,manhhomienbienthuy/django,manhhomienbienthuy/django,apollo13/django,adamchainz/django,auvipy/django,rsalmaso/django,monetate/django,auvipy/django,blighj/django,atul-bhouraskar/django,claudep/django,wkschwartz/django,manhhomienbienthuy/django,monetate/django,felixxm/django,wkschwartz/django,dsanders11/django,ghickman/django,felixxm/django,atul-bhouraskar/django,apollo13/django,dsanders11/django,rsalmaso/django,blighj/django,freakboy3742/django,pauloxnet/django,rsalmaso/django,elena/django,dsanders11/django,manhhomienbienthuy/django,claudep/django,django/django,MarkusH/django,solarissmoke/django,blighj/django,dsanders11/django,pauloxnet/django,ghickman/django,pauloxnet/django,adamchainz/django,apollo13/django,apollo13/django,rsalmaso/django,takis/django,MarkusH/django,theo-l/django,elena/django,koordinates/django,auvipy/django,felixxm/django,kaedroho/django,monetate/django,django/django,koordinates/django,theo-l/django,shaib/django,ghickman/django,MarkusH/django,solarissmoke/django,takis/django,atul-bhouraskar/django,adamchainz/django,kaedroho/django,MarkusH/django,shaib/django,adamchainz/django,ghickman/django,koordinates/django,googleinterns/django