Useful regEx

regex.txt

USER_NAME = "^[A-Za-z0-9_-]{min number of character,max number of character}$";

TELEPHONE = "(^\\+)?[0-9()-]*";

TELEPHONE_OPTIONAL = "^($|(^\\+)?[0-9()-]*)$"

EMAIL = "^([a-zA-Z0-9\.\_\+\-]+)@([a-zA-Z0-9\-]+)(\.[a-zA-Z]+)+$";

EMAIL_OPTIONAL = "^($|[a-zA-Z0-9_\\.\\+-]+@[a-zA-Z0-9-]+\\.[a-zA-Z0-9-\\.]+)$";

WEB_URL = "^($|(http:\/\/|https:\/\/|\/\/)?(www.)?([a-zA-Z0-9]+).[a-zA-Z0-9]*.[a-z]{3}.?([a-z]+)?)$";

WEB_URL_YOUTUBE_BE = "https?\\:\\/\\/(www\\.)?youtu(\\.)?be(\\.com)?\\/.*(\\?v=|\\/v\\/)?[a-zA-Z0-9_\\-]+";

POSTAL_ADDRESS = "[a-zA-Z\\d\\s\\-\\,\\#\\.\\+]+";

FIELD_NOT_EMPTY = "[^\\s]*";

PINCODE = "^([0-9]{6})?$";

IFSC_CODE = "^[^\\s]{4}\\d{7}$";

SWIFT_CODE = "^([0-9]{10})?$";

PINCODE = "^([0-9]{6})?$";

---- PASSWORD PATTERNS ----

Minimum eight characters, at least one letter and one number: 

^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$

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Minimum eight characters, at least one letter, one number and one special character:

^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$

--------

Minimum eight characters, at least one uppercase letter, one lowercase letter and one number:

^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d]{8,}$

--------

Minimum eight characters, at least one uppercase letter, one lowercase letter, one number and one special character:

^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$

--------

Minimum eight and maximum 10 characters, at least one uppercase letter, one lowercase letter, one number and one special character:

^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,10}$