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dropPrefix :: Eq a => [a] -> [a] -> [a]extra Data.List.Extra Drops the given prefix from a list. It returns the original sequence if the sequence doesn't start with the given prefix.
dropPrefix "Mr. " "Mr. Men" == "Men" dropPrefix "Mr. " "Dr. Men" == "Dr. Men"
dropSuffix :: Eq a => [a] -> [a] -> [a]extra Data.List.Extra Drops the given suffix from a list. It returns the original sequence if the sequence doesn't end with the given suffix.
dropSuffix "!" "Hello World!" == "Hello World" dropSuffix "!" "Hello World!!" == "Hello World!" dropSuffix "!" "Hello World." == "Hello World."
stripInfix :: Eq a => [a] -> [a] -> Maybe ([a], [a])extra Data.List.Extra Return the the string before and after the search string, or Nothing if the search string is not present. Examples:
stripInfix "::" "a::b::c" == Just ("a", "b::c") stripInfix "/" "foobar" == NothingstripInfixEnd :: Eq a => [a] -> [a] -> Maybe ([a], [a])extra Data.List.Extra Similar to stripInfix, but searches from the end of the string.
stripInfixEnd "::" "a::b::c" == Just ("a::b", "c")stripSuffix :: Eq a => [a] -> [a] -> Maybe [a]extra Data.List.Extra Return the prefix of the second list if its suffix matches the entire first list. Examples:
stripSuffix "bar" "foobar" == Just "foo" stripSuffix "" "baz" == Just "baz" stripSuffix "foo" "quux" == Nothing
dropPrefix :: Eq a => [a] -> [a] -> [a]extra Extra Drops the given prefix from a list. It returns the original sequence if the sequence doesn't start with the given prefix.
dropPrefix "Mr. " "Mr. Men" == "Men" dropPrefix "Mr. " "Dr. Men" == "Dr. Men"
dropSuffix :: Eq a => [a] -> [a] -> [a]extra Extra Drops the given suffix from a list. It returns the original sequence if the sequence doesn't end with the given suffix.
dropSuffix "!" "Hello World!" == "Hello World" dropSuffix "!" "Hello World!!" == "Hello World!" dropSuffix "!" "Hello World." == "Hello World."
stripInfix :: Eq a => [a] -> [a] -> Maybe ([a], [a])extra Extra Return the the string before and after the search string, or Nothing if the search string is not present. Examples:
stripInfix "::" "a::b::c" == Just ("a", "b::c") stripInfix "/" "foobar" == NothingstripInfixEnd :: Eq a => [a] -> [a] -> Maybe ([a], [a])extra Extra Similar to stripInfix, but searches from the end of the string.
stripInfixEnd "::" "a::b::c" == Just ("a::b", "c")stripSuffix :: Eq a => [a] -> [a] -> Maybe [a]extra Extra Return the prefix of the second list if its suffix matches the entire first list. Examples:
stripSuffix "bar" "foobar" == Just "foo" stripSuffix "" "baz" == Just "baz" stripSuffix "foo" "quux" == Nothing