Regular expressions are enclosed in matching pound sign (#) characters with a prepended re: re#...#. KRL regular expressions follow the JavaScript standard, which closely follows the conventions for Perl regular expressions. The following modifiers may appear in any order after the closing character:
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Like strings, the only special character is #. To characters are the terminator (#) and the backslash (/). To use a pound sign or a backslash inside a regular expression, escape it them with a backslashbackslashes:
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|---|---|---|---|---|
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re#\##\#\\# // '#' followed by '\' |
A newline (\n) requires a line break:
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KRL uses the hash character to delimit regular expressions instead of the more common (and acceptable) slash (/) because the slash is a frequently used character in URL paths. This removes the need to quote the slash with backslashes: re/\/archives\/\d{4}\//. Using an alternate delimiter makes the regex more readable and thus communicates its meaning more clearly.
Issues
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