asp.net - Combining 2 regular expression in web.config passwordStrengthRegularExpression="" -

i not able combine below 2 regular expressions. password standard requirement:

password cannot contain username or parts of full name exceeding 2 consecutive characters
passwords must @ least 6 characters in length
passwords must contain characters 3 of following categories
- uppercase characters (english a-z)
- lowercase characters (english a-z)
- base 10 digits (0-9)
- non-alphabetic characters (e.g., !, @, #, $, %, etc.)

expression:

passwordstrengthregularexpression="((?=.*\d)(?=.*[a-z])(?=.*[a-z])(?=.*[@#$%]).{6,20})"

passwords cannot contain word “test” or “test” or variants of word

passwordstrengthregularexpression="((?=.*\"^((?!test|test|test).*)$"

both working fine individually.

because second regexp uses negative lookahead, can remodel , stick right @ beginning of other expression. first, i'm going change second regex to:

"(?!.*(?:test|test|test))"

in english, string may not contain number of (or zero) characters followed test.

then, i'm going stick right @ beginning of other expression

passwordstrengthregularexpression="^(?!.*(?:test|test|test))(?=.*\d)(?=.*[a-z])(?=.*[a-z])(?=.*[@#$%]).{6,20}$"

finally, i'm going show how make 1 part of regex case-insensitive. may or may not supported depending on program for.

passwordstrengthregularexpression="^(?!.*(?i:test))(?=.*\d)(?=.*[a-z])(?=.*[a-z])(?=.*[@#$%]).{6,20}$"

see (?i:...)? means flags between ? , : applied part of expression, is, area case-insensitive.

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