[英]normalize the strings in Elixir/Phoenix
I want to normalize the Unicode(UTF-8) strings posted from users thru a <form>
. 我想规范化用户通过
<form>
发布的Unicode(UTF-8)字符串。 Is there any library which treats those things in Elixir(or in Phoenix or in Erlang)? 是否有任何图书馆在Elixir(或凤凰城或Erlang)处理这些东西? I'm used to do it in Python like following, but I don't know Elixir has those libraries.
我习惯在Python中这样做,但我不知道Elixir有这些库。
import unicodedata
import zenhan
import jctconv
def normalize(strings, unistr = 'NFKC')
norm = unicodedata.normalize(unistr, strings)
zenhan = zenhan.z2h(norm, mode=2)
katahira = jctconv.kata2hira(zenhan)
return katahira
Since Elixir 1.2 there is a String.normalize/2
function. 从Elixir 1.2开始,有一个
String.normalize/2
函数。 I'm not sure what those python libraries are doing, but this functions is probably a good start for what you want to achieve. 我不确定那些python库在做什么,但是这个函数可能是你想要实现的目标的良好开端。
If you type h String.normalize
inside iex
, you'll get the right information and some examples. 如果在
iex
键入h String.normalize
,您将获得正确的信息和一些示例。
Converts all characters in binary to Unicode normalization form
identified by
form.
Forms
The supported forms are:
• :nfd - Normalization Form Canonical Decomposition. Characters are
decomposed by canonical equivalence, and multiple combining characters are
arranged in a specific order.
• :nfc - Normalization Form Canonical Composition. Characters are
decomposed and then recomposed by canonical equivalence.
Examples
┃ iex> String.normalize("yêṩ", :nfd)
┃ "yêṩ"
┃
┃ iex> String.normalize("leña", :nfc)
┃ "leña"
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