add regex functions (fixes #55)

JuliaStrings · Nov 3, 2021 · 466088d · 466088d
1 parent be1873b
commit 466088d
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diff --git a/src/LaTeXStrings.jl b/src/LaTeXStrings.jl
@@ -127,5 +127,8 @@ Base.isvalid(s::LaTeXString, i::Integer) = isvalid(s.s, i)
 Base.pointer(s::LaTeXString) = pointer(s.s)
 Base.IOBuffer(s::LaTeXString) = IOBuffer(s.s)
 Base.unsafe_convert(T::Union{Type{Ptr{UInt8}},Type{Ptr{Int8}},Cstring}, s::LaTeXString) = Base.unsafe_convert(T, s.s)
+Base.match(re::Regex, s::LaTeXString, idx::Integer, add_opts::UInt32=UInt32(0)) = match(re, s.s, idx, add_opts)
+Base.findnext(re::Regex, s::LaTeXString, idx::Integer) = findnext(re, s.s, idx)
+Base.eachmatch(re::Regex, s::LaTeXString; overlap = false) = eachmatch(re, s.s; overlap=overlap)
 
 end # module
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -22,6 +22,10 @@ end
 @test L"foo"[1] == '$'
 @test tst1[1:2] == tst1[0x01:0x02] == tst1[[1,2]] == "an"
 
+@test match(r"[a-z]+", tst1, 3).match == match(r"[a-z]+", tst1.s, 3).match
+@test findnext(r"[a-z]+", tst1, 3) == findnext(r"[a-z]+", tst1.s, 3)
+@test [m.match for m in eachmatch(r"[a-z]+", tst1)] == [m.match for m in eachmatch(r"[a-z]+", tst1.s)]
+
 # issue #23 — will change if #17 is addressed
 @test L"x" * L"y" == "\$x\$\$y\$"