Feature: Comments
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A Comment is a sequence of characters that is ignored by pattern matching and can be used to document a pattern.
Syntax
NOTE: The following syntax is an example based on some of the supported engines. For specific engine support, see Engines.
(?#…)— The entire expression is removed from the pattern. A comment may not contain other(or)characters.
Engines
| Engine | Supported |
|---|---|
| Perl | ✔ |
| PCRE | ✔ |
| Boost.Regex | ✔ |
| .NET | ✔ |
| Oniguruma | ✔ |
| Hyperscan | ✔ |
| ICU | ✔ |
| Glib/GRegex | ✔ |
| ECMAScript | ❌ |