numericReg top-level property

RegExp numericReg
getter/setter pair

A regular expression that matches integer numeric strings, including negatives.

This regex matches strings that consist of an optional leading minus sign (-) followed by one or more digits (0-9). It does not allow decimal points, whitespace, or any other characters.

Examples of valid matches:

  • 123
  • -456

Examples of invalid matches:

  • 12.3
  • +123
  • abc

Implementation

RegExp numericReg = RegExp(numericRegStr);