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c# Programming Glossary: lookahead

Regular Expression to find a string included between two characters, while EXCLUDING the delimiters

http://stackoverflow.com/questions/1454913/regular-expression-to-find-a-string-included-between-two-characters-while-exclu

this question Easy done . Technically that's using lookaheads and lookbehinds. See Lookahead and Lookbehind Zero Width Assertions.. at the first and is followed by a that is not captured lookahead . Alternatively you can just capture what's between the square..

What are regular expression Balancing Groups?

http://stackoverflow.com/questions/17003799/what-are-regular-expression-balancing-groups

make the pattern unconditionally fail is an empty negative lookahead . So we have our final pattern ^ ^ Open Open Open Note that..

Strong password regex

http://stackoverflow.com/questions/3131025/strong-password-regex

Numeric Character At least one character Met by positive lookahead . d At least one Capital Letter Met by positive lookahead ... lookahead . d At least one Capital Letter Met by positive lookahead . A Z Repetitive Characters Allowed only two repetitive characters.. I am not sure what you mean by this. The negative lookahead . . 1 1 makes sure that no character is allowed to appear more..

Overlapping matches in Regex

http://stackoverflow.com/questions/320448/overlapping-matches-in-regex

n n n n nn n n As mentionned by Timothy Khouri a positive lookahead is more intuitive I would prefer to his proposition nn n the.. Any valid regular expression can be used inside the lookahead. If it contains capturing parentheses the backreferences will..

Regex to strip line comments from C#

http://stackoverflow.com/questions/3524317/regex-to-strip-line-comments-from-c-sharp

remove nested comments Also if I do not have the positive lookahead in the line expression twice it matches do not remove nested.. to satisfy my curiosity can anyone explain why I need the lookahead twice . ^ r n and . ^ r n will both include the but . ^ r n..

Regex split string preserving quotes

http://stackoverflow.com/questions/4780728/regex-split-string-preserving-quotes

possible to match this after the current position positive lookahead # Match the following group... ^ # see above ^ # see above #..

Replace only some groups with Regex

http://stackoverflow.com/questions/6005609/replace-only-some-groups-with-regex

Replace whitespace outside quotes using regular expression

http://stackoverflow.com/questions/6111749/replace-whitespace-outside-quotes-using-regular-expression

number of quotes # until the end of the string # End of lookahead RegexOptions.IgnorePatternWhitespace This examines the remainder.. quotes after the current space character. The advantage of lookahead thanks Alan Moore is that it's more portable than lookbehind..

Erratic Invalid Viewstate issue in a .NET application

http://stackoverflow.com/questions/728513/erratic-invalid-viewstate-issue-in-a-net-application