string->isDigit
Tests decimal digits.
Target
Signature
1string->isDigit(position::integer= ?)Tests decimal digits.
string->isDigit is called with member syntax on a receiver value. string->isDigit works with text values. Normalize input at boundaries, escape at output boundaries, and keep encoding calls close to the place where the encoded text is needed.
Parameters
position- Optional value of type
integer. Supplypositionpositionally unless the signature shows a keyword form.
Examples
Basic call
1'42'->isDigitThe example shows the receiver and result shape. In templates, apply escaping at the final output boundary.