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Editorial Team
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Asked: 2026-05-18T08:26:28+00:00

For instance, (/=[^>]/, ‘═’) I’d like to keep that match, but only replace the

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For instance,

(/=[^>]/, '═')

I’d like to keep that match, but only replace the equals sign with the double-horizontal-line. As it is, it matches any ‘=’ that is followed by anything that isn’t a ‘>’ but then replaces both the ‘=’ and the following character with the replacing character, I want to keep the following character, but replace just the ‘=’. This is in ruby, if it makes any syntactic difference.

Example input:

= render :partial => 'file'

First = should be converted, second should be preserved

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1 Answer

  1. Editorial Team

    Depending on your regex library (I don’t know Ruby), you may be able to use zero-width assertions:

    /=(?!>)/

    Note that this regex is slightly different to your regex, but it matches the description you gave in the title better. It will match any = that isn’t followed by >. This includes matching an = at the end of the text, which your version won’t match.

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