Hakyll.Core.Util.String

Miscellaneous string manipulation functions.

Documentation

trim :: String -> String

Trim a string (drop spaces, tabs and newlines at both sides).

replaceAll

Arguments

:: String

Pattern

-> (String -> String)

Replacement (called on match)

-> String

Source string

-> String

Result

A simple (but inefficient) regex replace funcion

splitAll

Arguments

:: String

Pattern

-> String

String to split

-> [String]

Result

A simple regex split function. The resulting list will contain no empty strings.

needlePrefix :: String -> String -> Maybe String

Find the first instance of needle (must be non-empty) in haystack. We return the prefix of haystack before needle is matched.

Examples:

needlePrefix "cd" "abcde" = "ab"

needlePrefix "ab" "abc" = ""

needlePrefix "ab" "xxab" = "xx"

needlePrefix "a" "xx" = "xx"