Does R have function startswith or endswith like python? [closed]

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As added to base in 3.3.0, startsWith (and endsWith) are exactly this. 

> startsWith("what", "wha")
[1] TRUE
> startsWith("what", "ha")
[1] FALSE

https://stat.ethz.ch/R-manual/R-devel/library/base/html/startsWith.html

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