const regex = /^([^.0-]|[^.0-][0-9]+|[0])$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^([^.0-]|[^.0-][0-9]+|[0])$', 'gm')
const str = `111111111111111999999999999999990000000000000000333333333333333332
10
11
2
0
-1
-22
1.4
0.1
0.
0-
-0
000.4
022345
0
`;
const subst = ``;
// The substituted value will be contained in the result variable
const result = str.replace(regex, subst);
console.log('Substitution result: ', result);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions