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reverse search fix #41203

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Merged
merged 2 commits into from
Jun 15, 2021
Merged

reverse search fix #41203

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6a415a7
reverse search fix
Moelf Jun 11, 2021
75ce0bf
Update search.jl
Moelf Jun 14, 2021
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2 changes: 1 addition & 1 deletion base/strings/search.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -459,7 +459,7 @@ function _rsearchindex(s::AbstractVector{<:Union{Int8,UInt8}}, t::AbstractVector
n = length(t)
m = length(s)
k = Int(_k) - sentinel
k < 1 && throw(BoundsError(s, _k))
k < 0 && throw(BoundsError(s, _k))

if n == 0
return 0 <= k <= m ? max(k, 1) : sentinel
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1 change: 1 addition & 0 deletions test/strings/search.jl
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Expand Up @@ -97,6 +97,7 @@ for str in [astr]
@test findprev('l', str, 2) == nothing
@test findlast(',', str) == 6
@test findprev(',', str, 5) == nothing
@test findlast(str, "") == nothing
@test findlast('\n', str) == 14
end

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1 change: 1 addition & 0 deletions test/strings/util.jl
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Expand Up @@ -163,6 +163,7 @@ end
@test split("", "") == rsplit("", "") == [""]
@test split("abc", "") == rsplit("abc", "") == ["a","b","c"]
@test rsplit("abc", "", limit=2) == ["ab","c"]
@test rsplit("", "//") == [""]
@test split("abc", "", limit=2) == ["a","bc"]

@test split("", r"") == [""]
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