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Updates for missing features in regular expressions. #1337

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merged 16 commits into from
Jan 31, 2025
Merged

Updates for missing features in regular expressions. #1337

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47c440b
Added handling of \G.
MaxSagebaum Nov 12, 2024
c6ae1dd
Added find_all method to regular expressions.
MaxSagebaum Nov 12, 2024
53e3724
Implementation of reverse token generation.
MaxSagebaum Nov 12, 2024
db7d5a7
Implementation of lookbehind parsing.
MaxSagebaum Nov 12, 2024
b536b8e
Hack for reverse matching.
MaxSagebaum Nov 12, 2024
baae569
Removed Iter from wrapper and added it to the generated functions.
MaxSagebaum Nov 12, 2024
ae63e61
Removed `wrap` helper.
MaxSagebaum Nov 12, 2024
17fe0d3
Implementation of advanced regexes.
MaxSagebaum Nov 12, 2024
411a07e
Added implementation for nested lookaround.
MaxSagebaum Nov 12, 2024
e00d794
Update for regex status.
MaxSagebaum Nov 12, 2024
b14879c
Added atomic grouping token.
MaxSagebaum Nov 12, 2024
dcb562b
Code cleanup.
MaxSagebaum Nov 12, 2024
33c8615
Update of Regression tests.
MaxSagebaum Nov 12, 2024
db3d34e
Header update for new version.
MaxSagebaum Nov 12, 2024
c6a79be
Updates for clang.
MaxSagebaum Nov 12, 2024
f0e82f4
Update for tests.
MaxSagebaum Nov 12, 2024
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20 changes: 10 additions & 10 deletions docs/notes/regex_status.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ The listings are taken from the [Perl regex docs](https://perldoc.perl.org/perlr
| **`s`** | Treat the string as single line. That is, change `.` to match any character whatsoever, even a newline, which normally it would not match. | <span style="color:green">Supported</span> |
| ***`x` and `xx`** | Extend your pattern's legibility by permitting whitespace and comments. For details see: [Perl regex docs: `/x` and `/xx`](https://perldoc.perl.org/perlre#/x-and-/xx). | <span style="color:green">Supported</span> |
| **`n`** | Prevent the grouping metacharacters `(` and `)` from capturing. This modifier will stop `$1`, `$2`, etc. from being filled in. | <span style="color:green">Supported</span> |
| **`c`** | Keep the current position during repeated matching. | <span style="color:gray">Planned</span> |
| **`c`** | Keep the current position during repeated matching. | <span style="color:green">Supported</span> |


### Escape sequences __(Complete)__
Expand Down Expand Up @@ -96,7 +96,7 @@ The listings are taken from the [Perl regex docs](https://perldoc.perl.org/perlr
| **`\A`** | Match only at beginning of string | <span style="color:green">Supported</span> |
| **`\Z`** | Match only at end of string, or before newline at the end | <span style="color:green">Supported</span> |
| **`\z`** | Match only at end of string | <span style="color:green">Supported</span> |
| **`\G`** | Match only at pos() (e.g. at the end-of-match position of prior m//g) | <span style="color:gray">Planned</span> |
| **`\G`** | Match only at pos() (e.g. at the end-of-match position of prior m//g) | <span style="color:green">Supported</span> |


### Capture groups __(Complete)__
Expand Down Expand Up @@ -128,8 +128,8 @@ The listings are taken from the [Perl regex docs](https://perldoc.perl.org/perlr
| **`(?'NAME'pattern)`** | Named capture group | <span style="color:green">Supported</span> |
| **`(?(condition)yes-pattern`<code>&#124;</code>`no-pattern)`** | Conditional patterns. | <span style="color:gray">Planned</span> |
| **`(?(condition)yes-pattern)`** | Conditional patterns. | <span style="color:gray">Planned</span> |
| **`(?>pattern)`** | Atomic patterns. (Disable backtrack.) | <span style="color:gray">Planned</span> |
| **`(*atomic:pattern)`** | Atomic patterns. (Disable backtrack.) | <span style="color:gray">Planned</span> |
| **`(?>pattern)`** | Atomic patterns. (Disable backtrack.) | <span style="color:green">Supported</span> |
| **`(*atomic:pattern)`** | Atomic patterns. (Disable backtrack.) | <span style="color:green">Supported</span> |


### Lookaround Assertions
Expand All @@ -142,12 +142,12 @@ The listings are taken from the [Perl regex docs](https://perldoc.perl.org/perlr
| **`(?!pattern)`** | Negative look ahead. | <span style="color:green">Supported</span> |
| **`(*nla:pattern)`** | Negative look ahead. | <span style="color:green">Supported</span> |
| **`(*negative_lookahead:pattern)`** | Negative look ahead. | <span style="color:green">Supported</span> |
| **`(?<=pattern)`** | Positive look behind. | <span style="color:gray">Planned</span> |
| **`(*plb:pattern)`** | Positive look behind. | <span style="color:gray">Planned</span> |
| **`(*positive_lookbehind:pattern)`** | Positive look behind. | <span style="color:gray">Planned</span> |
| **`(?<!pattern)`** | Negative look behind. | <span style="color:gray">Planned</span> |
| **`(*nlb:pattern)`** | Negative look behind. | <span style="color:gray">Planned</span> |
| **`(*negative_lookbehind:pattern)`** | Negative look behind. | <span style="color:gray">Planned</span> |
| **`(?<=pattern)`** | Positive look behind. | <span style="color:green">Supported</span> |
| **`(*plb:pattern)`** | Positive look behind. | <span style="color:green">Supported</span> |
| **`(*positive_lookbehind:pattern)`** | Positive look behind. | <span style="color:green">Supported</span> |
| **`(?<!pattern)`** | Negative look behind. | <span style="color:green">Supported</span> |
| **`(*nlb:pattern)`** | Negative look behind. | <span style="color:green">Supported</span> |
| **`(*negative_lookbehind:pattern)`** | Negative look behind. | <span style="color:green">Supported</span> |


### Special Backtracking Control Verbs
Expand Down
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