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add support for matchall which is present in the inner regex module but not in the exposed thingies #3

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add support for matchall which is present in the inner regex module but not in the exposed thingies #3

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30 changes: 28 additions & 2 deletions src/Regexp.global.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,9 @@ type Array<T> = { [number]: T }
type RegExpExecArray = Array<string> & { index: number?, input: string?, n: number }

export type RegExp = {
exec: (self: RegExp, input: string) -> RegExpExecArray | nil,
test: (self: RegExp, input: string) -> boolean,
exec: (self: RegExp, input: string) -> RegExpExecArray | nil,
execAll: (self: RegExp, input: string) -> {RegExpExecArray},
test: (self: RegExp, input: string) -> boolean,
}

local RegExp = {}
Expand Down Expand Up @@ -35,6 +36,31 @@ function RegExp:exec(str: string): RegExpExecArray | nil
return matches
end

function RegExp:execAll(str: string): {RegExpExecArray}
local matchFunction = self._innerRegEx:matchall(str)
local finds = {}

while task.wait() do
local match = matchFunction()
if not match then
break
end

local index = match:span()
local groups = match:grouparr()

local matches = { groups[0] }
for i = 1, groups.n do
matches[i + 1] = groups[i]
end
matches.n = groups.n + 1
matches.index = index
matches.input = str
table.insert(finds, matches)
end
return finds
end

function RegExp:test(str: string): boolean
return self:exec(str) ~= nil
end
Expand Down