This should do it:

  /^(?!.*$pattern)/;

[download]

If the string can include newlines there are a couple of ways to replace the '.' without changing the meaning of $pattern:

  /^(?!.*(?-s:$pattern))/s;
  /^(?![\d\D]*$pattern)/;

[download]

Hugo

In reply to Re: negative regex without !~ by hv
in thread negative regex without !~ by mbr

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