Implement Regex.escape #1153
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Implement Regex.escape #1153
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| @@ -291,6 +291,11 @@ defmodule Regex do | |||
| :re.replace(string, compiled, replacement, opts) | |||
| end | |||
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| @spec escape(String.t) :: String.t | |||
| def escape(string) do | |||
| Regex.replace(%r/[.^$*+?()[{\\|]/, string, "\\\\&") | |||
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- use local call
replace - don't use
%r. It calls toRegex.compile!andRegexis not compiled. It confuses the ParallelCompiler. You should only use local calls inside the module.
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Here is how to compile a regex that inside the Regex module: https://github.com/meh/elixir/blob/02a59cba1c26a4e06754111eeb5ba4b5aa1d25c2/lib/elixir/lib/regex.ex#L335
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This needs more tests, give your best try at breaking it.