smtp email validation

The last article we use string lookup method to achieve the ASP email email address verification, there may be more like the regular expression of friends, here also give the corresponding code.Method One Copy Code code as follows: Public Function Chkmail (ByVal Email) Dim Rep,pmail:chkmail = True:set Rep = New RegExp Rep.pattern = "([. a-za-z0

This article mainly introduces the PHP regular verification email method, involving PHP regular expression validation of the relevant skills, the need for friends can refer to the following This article describes the PHP regular verification email method. Share to everyone for your reference. Specific as follows:

The regular expression (regular expression) describes a pattern of string matching that can be used to check whether a string contains a seed string, replace a matched substring, or remove a substring from a string that matches a certain condition. This article mainly introduces the PHP regular verification email method, involving PHP regular expression validation of the relevant skills, the need for friend

Original link: JS latest mobile phone number, phone number regular expression Mobile number:/^1[34578]\d{9}$/or/^1 (3|4|5|7|8) \d{9}$/; Fixed:/^ (\ (\d{3,4}\) |\d{3,4}-|\s) \d{7,14}$/; Identity card Regular expression (15-bit):/^[1-9]\d{7} ((0\d) | ( 1[0-2]) (([0|1|2]\d) |3[0-1]) \d{3}$/; Identity card Regular expression (18-bit):/^[1-9]\d{5}[1-9]\d{3} ((0\d) | ( 1[0-2]) (([0|1|2]\d) |3[0-1]) \d{4}$/; Regular merger of identity cards: (^\d{15}$) | (^\d{17} ([0-9]| X) $); To extract

= [nspredicatepredicatewithformat:@ "selfmatches%@",cartyperegex]; return[cartestevaluatewithobject:cartype];} //User name + (BOOL) validateusername: (nsstring*) name{nsstring *usernameregex=@ "^[a-za-z0-9]{6,20}+$"; nspredicate* Usernamepredicate=[nspredicatepredicatewithformat:@ "selfmatches%@",userNameRegex]; BOOLB=[userNamePredicateevaluateWithObject:name]; Returnb;} //password + (BOOL) validatepassword: (nsstring*) password{nsstring *passwordregex=@ "^[a-za-z0-9]{6,20}+$"; nspredicate* pass

=@"^[A-Za-z0-9]{6,20}+$";NSPredicate*userNamePredicate=[NSPredicatepredicateWithFormat:@"SELFMATCHES%@",userNameRegex];BOOL B=[userNamePredicateevaluateWithObject:name];returnB;}//密码+(BOOL)validatePassword:(NSString*)passWord{NSString*passWordRegex=@"^[a-zA-Z0-9]{6,20}+$";NSPredicate*passWordPredicate=[NSPredicatepredicateWithFormat:@"SELFMATCHES%@",passWordRegex];return[passWordPredicateevaluateWithObject:passWord];}//昵称+(BOOL)validateNickname:(NSString*)nickname{NSString*nicknameRegex=@"^[\u4e

Regular expression matching an email address: w+ ([-+.] w+) *@w+ ([-.] w+) *.w+ ([-.] w+) *Regular expressions that match URL URLs: [a-za-z]+://[^s]* Let's look at an example Echo ' A: '. Htmlspecialchars ($a); Echo ' $a 1 = eregi_replace (' (^[_.] [: alnum:]-]+@ ([: alnum:]][[:alnum:]-]*.) +[[:alpha:]]{2,3}$) ', ' Echo htmlspecialchars ($a 1); echo "Echo ' $a 2 = eregi_replace ([: alnum:]]+://([: alnum:]][[:alnum:]-]*.) +[[:alpha:]]{2,3} (