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| author | Nuri Jung <jnooree@gmail.com> | 2020-07-07 13:26:53 +0000 |
|---|---|---|
| committer | Daniel Shahaf <d.s@daniel.shahaf.name> | 2020-07-07 13:27:03 +0000 |
| commit | 89618fe37d0c6568b1b42e237057278e686005d6 (patch) | |
| tree | 4a80ae610e2b2426e3822466a4b66c85d9e8a0a7 /Doc | |
| parent | 4ab0d047c7539f306d32edbcefa791870a783e75 (diff) | |
| download | zsh-89618fe37d0c6568b1b42e237057278e686005d6.tar.gz zsh-89618fe37d0c6568b1b42e237057278e686005d6.tar.xz zsh-89618fe37d0c6568b1b42e237057278e686005d6.zip | |
github #58: docs: Note that the zsh/regex syntax is platform-dependent.
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/Zsh/mod_regex.yo | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Doc/Zsh/mod_regex.yo b/Doc/Zsh/mod_regex.yo index f20451664..40ee92785 100644 --- a/Doc/Zsh/mod_regex.yo +++ b/Doc/Zsh/mod_regex.yo @@ -26,5 +26,17 @@ tt(-regex-match) operator. If tt(BASH_REMATCH) is set, then the array tt(BASH_REMATCH) will be set instead of tt(MATCH) and tt(match). + +Note that the tt(zsh/regex) module logic relies on the host system. The +same var(expr) and var(regex) pair could produce different results on different +platforms if a var(regex) with non-standard syntax is given. + +For example, no syntax for matching a word boundary is defined in the POSIX +extended regular expression standard. GNU tt(libc) and BSD tt(libc) both provide +such syntaxes as extensions (tt(\b) and tt([[:<:]])/tt([[:>:]]) respectively), +but neither of these syntaxes is supported by both of these implementations. + +Refer to the manref(regcomp)(3) and manref(re_format)(7) manual pages on your +system for locally-supported syntax. ) enditem() |