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Clarify replace(...)'s behavior on nil

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Flaviu Tamas 2015-01-19 16:02:51 -05:00
commit 5ae3010e5a
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README.asciidoc
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@ -69,7 +69,8 @@ Perl and Javascript use.
[[proc-replace]] [[proc-replace]]
==== replace(string, Regex, sub): string ==== replace(string, Regex, sub): string
Replaces each match of Regex in the string with `sub`. Replaces each match of Regex in the string with `sub`, which should never be
or return `nil`.
If `sub` is a `proc (RegexMatch): string`, then it is executed with each match If `sub` is a `proc (RegexMatch): string`, then it is executed with each match
and the return value is the replacement value. and the return value is the replacement value.