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Perl compatible regular expressions - Regent - Vlasov Studio (Best in class Visual Studio extensions and tools)
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Table 9-2 from Mastering regular expressions - powerful techniques for Perl and other tools | Semantic Scholar
![Table 8-3 from Mastering regular expressions - powerful techniques for Perl and other tools | Semantic Scholar Table 8-3 from Mastering regular expressions - powerful techniques for Perl and other tools | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/10de96fd1dced6fc881e9a463ea1fbf9d0b0caef/50-Table1-3-1.png)
Table 8-3 from Mastering regular expressions - powerful techniques for Perl and other tools | Semantic Scholar
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SAS CHARACTER FUNCTIONS - 7|PERL REGULAR EXPRESSION in SAS|SEARCH FOR A VALUE PATTERN IN A VARIABLE - YouTube
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