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| author | Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com> | 2025-04-10 13:04:51 +0200 |
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| committer | Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com> | 2025-04-10 13:04:51 +0200 |
| commit | 653f1c1d462332bccf303a5040e5cd99c89a4378 (patch) | |
| tree | c993984f169a240567526e9993261241c0cda771 /docs/content/en/_common/functions/regular-expressions.md | |
| parent | 208a0de6c31354df6f9463d49e90db9dec935169 (diff) | |
| parent | 5be51ac3db225d5df501ed1fa1499c41d97dbf65 (diff) | |
| download | hugo-653f1c1d462332bccf303a5040e5cd99c89a4378.tar.gz hugo-653f1c1d462332bccf303a5040e5cd99c89a4378.zip | |
Merge commit '5be51ac3db225d5df501ed1fa1499c41d97dbf65'
Diffstat (limited to 'docs/content/en/_common/functions/regular-expressions.md')
| -rw-r--r-- | docs/content/en/_common/functions/regular-expressions.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/content/en/_common/functions/regular-expressions.md b/docs/content/en/_common/functions/regular-expressions.md new file mode 100644 index 000000000..58f81a2ee --- /dev/null +++ b/docs/content/en/_common/functions/regular-expressions.md @@ -0,0 +1,12 @@ +--- +_comment: Do not remove front matter. +--- + +When specifying the regular expression, use a raw [string literal] (backticks) instead of an interpreted string literal (double quotes) to simplify the syntax. With an interpreted string literal you must escape backslashes. + +Go's regular expression package implements the [RE2 syntax]. The RE2 syntax is a subset of that accepted by [PCRE], roughly speaking, and with various [caveats]. Note that the RE2 `\C` escape sequence is not supported. + +[caveats]: https://swtch.com/~rsc/regexp/regexp3.html#caveats +[PCRE]: https://www.pcre.org/ +[RE2 syntax]: https://github.com/google/re2/wiki/Syntax/ +[string literal]: https://go.dev/ref/spec#String_literals |