numpy.char.isnumeric

numpy.char.isnumeric(a)

For each element, return True if there are only numeric characters in the element.

Calls unicode.isnumeric element-wise.

Numeric characters include digit characters, and all characters that have the Unicode numeric value property, e.g. U+2155, VULGAR FRACTION ONE FIFTH.

Parameters
aarray_like, unicode

Input array.

Returns
outndarray, bool

Array of booleans of same shape as a.

See also

unicode.isnumeric

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https://numpy.org/doc/1.19/reference/generated/numpy.char.isnumeric.html