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docs; string; clarify indexOf(_,_) to be clearer

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ruby0x1
2021-05-16 12:17:31 -07:00
parent f09ebf6acc
commit 9903ddf76b
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doc/site/modules/core/string.markdown
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@ -148,8 +148,9 @@ It is a runtime error if `search` is not a string.
### **indexOf**(search, start)
Returns the index of the first byte matching `search` in the string or `-1` if
`search` was not found, starting a byte offset `start`. The start can be
negative to count backwards from the end of the string.
`search` was not found, starting at byte offset `start`. The `start` offset can
also be negative, which will be offset relative to end of the string instead.
Searches forward, from the offset to the end of the string.
It is a runtime error if `search` is not a string or `start` is not an integer
index within the string's byte length.