AMTEX DESIGN

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Notepad++ Compare Two Files: A Guide

While Perl requires alternatives inside lookbehind to have the same length, PCRE allows alternatives of variable length. Each alternative is treated as a separate fixed-length lookbehind. Perl 5.30 supports variable-length lookbehind as an experimental feature. But there are many cases in which it does not work correctly. So in practice, the above is still true … Read more