Dynamites Regexp: !^[0-9/-]{6,20}$!
TELEFON: $tel = 069/123456
MAIL: $mail = gogogog@gaga.com
TELEFON: OK
MAIL: WRONG
--------------------------
Andere Regexp: !^[0-9/\-\s\(\)]{6,20}$!TELEFON: $tel = 0 (69) 12 34 56
MAIL: $mail = gogogog@gaga.com
TELEFON: OK
MAIL: WRONG
--------------------------