hakyll-4.5.5.0: A static website compiler library

Safe HaskellNone

Hakyll.Core.Util.String

Description

Miscellaneous string manipulation functions.

Synopsis

Documentation

trim :: String -> StringSource

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

replaceAllSource

Arguments

:: String

Pattern

-> (String -> String)

Replacement (called on capture)

-> String

Source string

-> String

Result

A simple (but inefficient) regex replace funcion

splitAllSource

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 StringSource

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"