Regex for SemVer Range (npm-style)

javascript

const regex = /^[~^]?(0|[1-9]\d*)(?:\.(0|[1-9]\d*)(?:\.(0|[1-9]\d*))?)?$/;
const isValid = regex.test(value);

python

import re
pattern = r'^[~^]?(0|[1-9]\d*)(?:\.(0|[1-9]\d*)(?:\.(0|[1-9]\d*))?)?$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^[~^]?(0|[1-9]\d*)(?:\.(0|[1-9]\d*)(?:\.(0|[1-9]\d*))?)?$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^[~^]?(0|[1-9]\d*)(?:\.(0|[1-9]\d*)(?:\.(0|[1-9]\d*))?)?$/', $value)) {
    echo "valid";
}

java

String pattern = "^[~^]?(0|[1-9]\\d*)(?:\\.(0|[1-9]\\d*)(?:\\.(0|[1-9]\\d*))?)?$";
boolean isValid = value.matches(pattern);