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CODE EXAMPLE FOR JAVA

validate text field netbeans emails

(?=.{1,64}@)            # local-part min 1 max 64

[A-Za-z0-9_-]+          # Start with chars in the bracket [ ], one or more (+)
                        # dot (.) not in the bracket[], it can't start with a dot (.)

(.[A-Za-z0-9_-]+)*	 # follow by a dot (.), then chars in the bracket [ ] one or more (+)
                        # * means this is optional
                        # this rule for two dots (.)

@                       # must contains a @ symbol

[^-]                    # domain can't start with a hyphen (-)

[A-Za-z0-9-]+           # Start with chars in the bracket [ ], one or more (+)     

(.[A-Za-z0-9-]+)*      # follow by a dot (.), optional

(.[A-Za-z]{2,})       # the last tld, chars in the bracket [ ], min 2
Source by mkyong.com #
 
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Tagged: #validate #text #field #netbeans #emails
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