Method code for $string.is_negative()

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---

  1: arg str;
  2: 
  3: if (match_regexp(str, "^(no|n|false|f|none|nobody|nowhere|0)$"))
  4:     return 1;
  5: return 0;

---

// Created 27-Mar-1995 as a part of ColdCore, see: @help Credit