numpy.char.startswith
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numpy.char.startswith(a, prefix, start=0, end=None)
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Returns a boolean array which is Truewhere the string element inastarts withprefix, otherwiseFalse.Calls str.startswithelement-wise.- Parameters
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aarray_like of str or unicode
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prefixstr
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start, endint, optional
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With optional start, test beginning at that position. With optionalend, stop comparing at that position.
 
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- Returns
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outndarray
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Array of booleans 
 
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 See also 
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Licensed under the 3-clause BSD License.
    https://numpy.org/doc/1.19/reference/generated/numpy.char.startswith.html