The Regexp custom tag library contains tags which can
be used to perform Perl syntax regular expressions.
These tags implement the 3 most common Perl5 operations
involving regular expressions:
- [m]/pattern/[i][m][s][x]
- s/pattern/replacement/[g][i][m][o][s][x]
- and split()
As with Perl, any non-alphanumeric character can be used
in lieu of the slashes.
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