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Make `regex.match` return the appropriate `end` index 

This makes its behavior similar to `string.find`.
This commit is contained in:
Guldoman 2021-10-11 22:32:50 +02:00
parent 038e335c8c
commit 1872e82141
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1 changed files with 2 additions and 2 deletions
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4
data/core/regex.lua
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@ -1,4 +1,3 @@
-- So that in addition to regex.gsub(pattern, string), we can also do -- So that in addition to regex.gsub(pattern, string), we can also do
-- pattern:gsub(string). -- pattern:gsub(string).
regex.__index = function(table, key) return regex[key]; end regex.__index = function(table, key) return regex[key]; end
@ -6,7 +5,8 @@ regex.__index = function(table, key) return regex[key]; end
regex.match = function(pattern_string, string, offset, options) regex.match = function(pattern_string, string, offset, options)
local pattern = type(pattern_string) == "table" and local pattern = type(pattern_string) == "table" and
pattern_string or regex.compile(pattern_string) pattern_string or regex.compile(pattern_string)
return regex.cmatch(pattern, string, offset or 1, options or 0) local s, e = regex.cmatch(pattern, string, offset or 1, options or 0)
return s, e and e - 1
end end
-- Will iterate back through any UTF-8 bytes so that we don't replace bits -- Will iterate back through any UTF-8 bytes so that we don't replace bits