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b8867a0239
The function 'builtins.split' takes a POSIX extended regular expression
and an arbitrary string. It returns a list of non-matching substring
interleaved by lists of matched groups of the regular expression.
```nix
with builtins;
assert split "(a)b" "abc" == [ "" [ "a" ] "c" ];
assert split "([ac])" "abc" == [ "" [ "a" ] "b" [ "c" ] "" ];
assert split "(a)|(c)" "abc" == [ "" [ "a" null ] "b" [ null "c" ] "" ];
assert split "([[:upper:]]+)" " FOO "
== [ " " [ "FOO" ] " " ];
```
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| command-ref | ||
| expressions | ||
| figures | ||
| glossary | ||
| images/callouts | ||
| installation | ||
| introduction | ||
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| troubleshooting | ||
| hacking.xml | ||
| local.mk | ||
| manual.xml | ||
| nix-lang-ref.xml | ||
| quote-literals.xsl | ||
| schemas.xml | ||
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