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Add findlast and findprev examples to strings.md manual #29019

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Oct 10, 2018
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Add findlast and findprev examples to strings.md manual #29019

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Include examples for findlast, findprev in the manual section about s…
royalbhati Sep 3, 2018
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update from review
KristofferC Oct 10, 2018
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18 changes: 11 additions & 7 deletions doc/src/manual/strings.md
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Original file line number Diff line number Diff line change
Expand Up @@ -617,20 +617,21 @@ julia> "1 + 2 = 3" == "1 + 2 = $(1 + 2)"
true
```

You can search for the index of a particular character using the [`findfirst`](@ref) function:
You can search for the index of a particular character using the
[`findfirst`](@ref) and [`findlast`](@ref) functions:

```jldoctest
julia> findfirst(isequal('x'), "xylophone")
1
julia> findfirst(isequal('o'), "xylophone")
4

julia> findfirst(isequal('p'), "xylophone")
5
julia> findlast(isequal('o'), "xylophone")
7

julia> findfirst(isequal('z'), "xylophone")
```

You can start the search for a character at a given offset by using [`findnext`](@ref)
with a third argument:
You can start the search for a character at a given offset by using
[`findnext`](@ref) and [`findprev`](@ref) with a three arguments:
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"a three"

Maybe just remove the mention of the number of arguments, that's clear just by looking at the examples.


```jldoctest
julia> findnext(isequal('o'), "xylophone", 1)
Expand All @@ -639,6 +640,9 @@ julia> findnext(isequal('o'), "xylophone", 1)
julia> findnext(isequal('o'), "xylophone", 5)
7

julia> findprev(isequal('o'), "xylophone", 5)
4

julia> findnext(isequal('o'), "xylophone", 8)
```

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