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This is documentation for an old release of NumPy (version 1.18). Read this page in the documentation of the latest stable release (version 2.2).

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