char.
isnumeric
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.
U+2155, VULGAR FRACTION ONE FIFTH
Input array.
Array of booleans of same shape as a.
See also
unicode.isnumeric