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crates.io "regex" keyword

grep-index 0.0.1
UNDER CONSTRUCTION
1 version - Latest release: about 4 years ago - 582 downloads total - 43,652 stars on GitHub - 1 maintainer
Top 1.9% on crates.io
grep-cli 0.1.10
Utilities for search oriented command line applications.
11 versions - Latest release: 6 months ago - 27 dependent packages - 193 dependent repositories - 1.75 million downloads total - 43,652 stars on GitHub - 1 maintainer
Top 1.6% on crates.io
grep-searcher 0.1.13
Fast line oriented regex searching as a library.
15 versions - Latest release: 6 months ago - 15 dependent packages - 300 dependent repositories - 1.94 million downloads total - 43,652 stars on GitHub - 1 maintainer
Top 4.8% on crates.io
grep-pcre2 0.1.7
Use PCRE2 with the 'grep' crate.
8 versions - Latest release: 6 months ago - 3 dependent packages - 31 dependent repositories - 63.8 thousand downloads total - 43,652 stars on GitHub - 1 maintainer
Top 1.7% on crates.io
grep-regex 0.1.12
Use Rust's regex library with the 'grep' crate.
14 versions - Latest release: 6 months ago - 15 dependent packages - 490 dependent repositories - 1.24 million downloads total - 43,652 stars on GitHub - 1 maintainer
Top 2.3% on crates.io
grep 0.3.1
Fast line oriented regex searching as a library.
26 versions - Latest release: 6 months ago - 37 dependent packages - 79 dependent repositories - 1.01 million downloads total - 43,652 stars on GitHub - 1 maintainer
Top 0.3% on crates.io
ignore 0.4.22
A fast library for efficiently matching ignore files such as `.gitignore` against file paths.
38 versions - Latest release: 4 months ago - 403 dependent packages - 7,985 dependent repositories - 31.6 million downloads total - 43,652 stars on GitHub - 1 maintainer
tree_sitter_grep_ignore 0.4.20-dev.0
(A forked version of `ignore` used internally by `tree-sitter-grep`) A fast library for efficien...
1 version - Latest release: 10 months ago - 2 dependent packages - 872 downloads total - 43,652 stars on GitHub - 1 maintainer
Top 1.6% on crates.io
grep-matcher 0.1.7
A trait for regular expressions, with a focus on line oriented search.
9 versions - Latest release: 6 months ago - 16 dependent packages - 524 dependent repositories - 1.93 million downloads total - 43,652 stars on GitHub - 1 maintainer
Top 5.1% on crates.io
grep-printer 0.2.1
An implementation of the grep crate's Sink trait that provides standard printing of search result...
11 versions - Latest release: 6 months ago - 1 dependent package - 72 dependent repositories - 958 thousand downloads total - 43,652 stars on GitHub - 1 maintainer
ripgrep 14.1.0
ripgrep is a line-oriented search tool that recursively searches the current directory for a rege...
55 versions - Latest release: 4 months ago - 1 dependent repositories - 633 thousand downloads total - 43,652 stars on GitHub - 1 maintainer
Top 0.3% on crates.io
globset 0.4.14
Cross platform single glob and glob set matching. Glob set matching is the process of matching on...
23 versions - Latest release: 6 months ago - 227 dependent packages - 8,861 dependent repositories - 45.5 million downloads total - 42,040 stars on GitHub - 1 maintainer
fd-find 10.1.0 💰
fd is a simple, fast and user-friendly alternative to find.
34 versions - Latest release: 11 days ago - 1 dependent repositories - 411 thousand downloads total - 31,909 stars on GitHub - 3 maintainers
rustpython-sre_engine 0.3.1
A low-level implementation of Python's SRE regex engine
1 version - Latest release: about 1 month ago - 1 dependent package - 1.67 thousand downloads total - 17,718 stars on GitHub - 1 maintainer
Top 8.1% on crates.io
grex 1.4.5
grex generates regular expressions from user-provided test cases.
15 versions - Latest release: 2 months ago - 2 dependent packages - 5 dependent repositories - 43.2 thousand downloads total - 6,516 stars on GitHub - 1 maintainer
Top 9.1% on crates.io
sd 1.0.0
An intuitive find & replace CLI
23 versions - Latest release: 6 months ago - 1 dependent package - 2 dependent repositories - 88.4 thousand downloads total - 5,397 stars on GitHub - 2 maintainers
melody_cli 0.19.0
A CLI wrapping the Melody language compiler
43 versions - Latest release: 10 months ago - 12.9 thousand downloads total - 4,593 stars on GitHub - 1 maintainer
Top 8.9% on crates.io
melody_compiler 0.19.0
The Melody language compiler
37 versions - Latest release: 10 months ago - 1 dependent package - 106 dependent repositories - 12.4 thousand downloads total - 4,593 stars on GitHub - 1 maintainer
Top 0.8% on crates.io
regex-syntax 0.8.3
A regular expression parser.
71 versions - Latest release: about 2 months ago - 150 dependent packages - 73,365 dependent repositories - 288 million downloads total - 3,330 stars on GitHub - 2 maintainers
Top 1.0% on crates.io
regex-automata 0.4.6
Automata construction and matching using regular expressions.
30 versions - Latest release: 3 months ago - 54 dependent packages - 30,192 dependent repositories - 172 million downloads total - 3,330 stars on GitHub - 1 maintainer
Top 2.9% on crates.io
regex_macros 0.2.0
An implementation of statically compiled regular expressions for Rust. Unless you specifically n...
39 versions - Latest release: over 7 years ago - 37 dependent packages - 57 dependent repositories - 180 thousand downloads total - 3,330 stars on GitHub - 3 maintainers
regex-test 0.1.0
Infrastructure for testing regexes. You probably don't want to use this crate unless you're work...
1 version - Latest release: 11 months ago - 4 dependent packages - 3 dependent repositories - 3.23 thousand downloads total - 3,330 stars on GitHub - 1 maintainer
rure 0.2.2
A C API for Rust's regular expression library.
5 versions - Latest release: over 1 year ago - 4.52 thousand downloads total - 3,330 stars on GitHub - 1 maintainer
Top 5.2% on crates.io
regex-lite 0.1.5
A lightweight regex engine that optimizes for binary size and compilation time.
7 versions - Latest release: 7 months ago - 411 dependent packages - 2 dependent repositories - 3.34 million downloads total - 3,330 stars on GitHub - 1 maintainer
Top 0.7% on crates.io
regex 1.10.4
An implementation of regular expressions for Rust. This implementation uses finite automata and g...
156 versions - Latest release: about 2 months ago - 10,384 dependent packages - 76,014 dependent repositories - 252 million downloads total - 3,330 stars on GitHub - 2 maintainers
regex-cli 0.2.0
A command line tool for debugging, ad hoc benchmarking and generating regular expressions.
4 versions - Latest release: 7 months ago - 1.46 thousand downloads total - 3,199 stars on GitHub - 1 maintainer
rulex-bin 0.4.5 💰
DEPRECATED: Use pomsky-bin instead. Compile rulex expressions, a new regular expression language
7 versions - Latest release: over 1 year ago - 2.16 thousand downloads total - 1,260 stars on GitHub - 1 maintainer
pomsky-syntax 0.11.0 💰
Parser for pomsky, a new regular expression language
5 versions - Latest release: 6 months ago - 1 dependent package - 5 dependent repositories - 5.69 thousand downloads total - 1,260 stars on GitHub - 1 maintainer
helptext 0.1.1 💰
Create beautiful help messages
2 versions - Latest release: 6 months ago - 1 dependent package - 1 dependent repositories - 933 downloads total - 1,260 stars on GitHub - 1 maintainer
rulex 0.4.4 💰
DEPRECATED: Use pomsky instead. A new regular expression language
8 versions - Latest release: over 1 year ago - 2 dependent packages - 3.32 thousand downloads total - 1,260 stars on GitHub - 1 maintainer
Top 9.2% on crates.io
pomsky-macro 0.11.0 💰
Macro for converting pomsky expressions to regexes
7 versions - Latest release: 6 months ago - 6 dependent packages - 7 dependent repositories - 7.24 thousand downloads total - 1,260 stars on GitHub - 1 maintainer
Top 9.4% on crates.io
pomsky 0.11.0 💰
A new regular expression language
8 versions - Latest release: 6 months ago - 4 dependent packages - 8 dependent repositories - 8.49 thousand downloads total - 1,260 stars on GitHub - 1 maintainer
rulex-macro 0.4.4 💰
DEPRECATED: Use pomsky-macro instead. Macro for converting pomsky expressions to regexes
6 versions - Latest release: over 1 year ago - 1 dependent package - 1.79 thousand downloads total - 1,260 stars on GitHub - 1 maintainer
pomsky-bin 0.11.0 💰
Compile pomsky expressions, a new regular expression language
7 versions - Latest release: 6 months ago - 2.04 thousand downloads total - 1,260 stars on GitHub - 1 maintainer
regex2fat 0.1.0
Turn your favourite regex into FAT32
1 version - Latest release: about 4 years ago - 529 downloads total - 998 stars on GitHub - 1 maintainer
Top 9.9% on crates.io
lemmeknow 0.8.0 💰
Identify any mysterious text or analyze strings from a file
9 versions - Latest release: almost 1 year ago - 4 dependent packages - 2 dependent repositories - 16.1 thousand downloads total - 856 stars on GitHub - 1 maintainer
simino 1.0.0
Batch rename utility for developers
1 version - Latest release: about 1 month ago - 194 downloads total - 541 stars on GitHub - 1 maintainer
nomino 1.3.4
Batch rename utility for developers
22 versions - Latest release: about 1 month ago - 9.39 thousand downloads total - 541 stars on GitHub - 1 maintainer
rargs 0.3.0
xargs + awk with pattern matching support.
3 versions - Latest release: about 4 years ago - 3.57 thousand downloads total - 460 stars on GitHub - 1 maintainer
rusty_hogs 1.0.1
This project provides a set of scanners that will use regular expressions to try and detect the p...
1 version - Latest release: over 4 years ago - 557 downloads total - 388 stars on GitHub - 1 maintainer
srgn 0.12.0
A code surgeon for precise text and code transplantation
19 versions - Latest release: about 2 months ago - 4.85 thousand downloads total - 381 stars on GitHub - 1 maintainer
Top 3.5% on crates.io
fancy-regex 0.13.0 💰
An implementation of regexes, supporting a relatively rich set of features, including backreferen...
20 versions - Latest release: 5 months ago - 180 dependent packages - 1,475 dependent repositories - 17.1 million downloads total - 381 stars on GitHub - 2 maintainers
lolcate-rs 0.10.0 💰
A comically fast way of indexing and querying your filesystem. Replaces locate / mlocate / updatedb.
8 versions - Latest release: over 3 years ago - 4.6 thousand downloads total - 282 stars on GitHub - 1 maintainer
repgrep 0.15.0
An interactive command line replacer for `ripgrep`.
32 versions - Latest release: 5 months ago - 11.7 thousand downloads total - 207 stars on GitHub - 1 maintainer
Top 8.1% on crates.io
parse-display-derive 0.9.0
Procedural macro to implement Display and FromStr using common settings.
20 versions - Latest release: 4 months ago - 4 dependent packages - 281 dependent repositories - 1.97 million downloads total - 180 stars on GitHub - 1 maintainer
Top 6.2% on crates.io
parse-display 0.9.0
Procedural macro to implement Display and FromStr using common settings.
20 versions - Latest release: 4 months ago - 73 dependent packages - 323 dependent repositories - 1.96 million downloads total - 180 stars on GitHub - 1 maintainer
Top 5.6% on crates.io
lazy-regex 3.1.0 💰
lazy static regular expressions checked at compile time
24 versions - Latest release: 6 months ago - 174 dependent packages - 707 dependent repositories - 3.17 million downloads total - 172 stars on GitHub - 1 maintainer
recap-derive 0.1.2
Derives FromStr impl for types which are then deserialized using recap
3 versions - Latest release: over 2 years ago - 1 dependent package - 11 dependent repositories - 33.8 thousand downloads total - 166 stars on GitHub - 1 maintainer
Top 9.8% on crates.io
recap 0.1.2
Deserialize typed structures from regex captures
3 versions - Latest release: over 2 years ago - 6 dependent packages - 15 dependent repositories - 33.5 thousand downloads total - 166 stars on GitHub - 1 maintainer
Top 6.2% on crates.io
regress 0.9.1
A regular expression engine targeting EcmaScript syntax
16 versions - Latest release: about 2 months ago - 202 dependent packages - 467 dependent repositories - 3.1 million downloads total - 164 stars on GitHub - 2 maintainers
unfmt 0.2.1 💰
A compile-time pattern matching library that reverses the interpolation process of `format!`.
4 versions - Latest release: 15 days ago - 1.29 thousand downloads total - 137 stars on GitHub - 1 maintainer
unfmt_macros 0.2.0 💰
A compile-time pattern matching library that reverses the interpolation process of `format!`.
4 versions - Latest release: 15 days ago - 1 dependent package - 1.03 thousand downloads total - 137 stars on GitHub - 1 maintainer
bgrep 1.0.0
bgrep is a grep tailored to handle binary patterns and files
2 versions - Latest release: about 5 years ago - 1.31 thousand downloads total - 123 stars on GitHub - 1 maintainer
Top 4.5% on crates.io
onig 6.4.0
Rust-Onig is a set of Rust bindings for the Oniguruma regular expression library. Oniguruma is a ...
52 versions - Latest release: almost 2 years ago - 41 dependent packages - 1,328 dependent repositories - 6.09 million downloads total - 119 stars on GitHub - 3 maintainers
Top 5.9% on crates.io
onig_sys 69.8.1
The `onig_sys` crate contains raw rust bindings to the oniguruma library. This crate exposes a se...
42 versions - Latest release: almost 2 years ago - 3 dependent packages - 1,312 dependent repositories - 5.95 million downloads total - 117 stars on GitHub - 3 maintainers
Top 8.1% on crates.io
wax 0.6.0
Opinionated and portable globs that can be matched against paths and directory trees.
7 versions - Latest release: 8 months ago - 31 dependent packages - 52 dependent repositories - 256 thousand downloads total - 96 stars on GitHub - 1 maintainer
reap-grep 0.0.2
wgrep/write-grep CLI
2 versions - Latest release: 11 months ago - 576 downloads total - 92 stars on GitHub - 1 maintainer
renamer 0.2.0
A command line tool to rename multiple files at once.
4 versions - Latest release: almost 4 years ago - 1.67 thousand downloads total - 87 stars on GitHub - 1 maintainer
hyperscan 0.3.2
Hyperscan bindings for Rust with Multiple Pattern and Streaming Scan
13 versions - Latest release: over 1 year ago - 1 dependent package - 10 dependent repositories - 207 thousand downloads total - 83 stars on GitHub - 1 maintainer
hyperscan-sys 0.3.2
Hyperscan bindings for Rust with Multiple Pattern and Streaming Scan
8 versions - Latest release: over 1 year ago - 1 dependent package - 5 dependent repositories - 207 thousand downloads total - 83 stars on GitHub - 1 maintainer
rep-grep 0.0.7
wgrep/write-grep CLI
6 versions - Latest release: 5 months ago - 1.7 thousand downloads total - 81 stars on GitHub - 1 maintainer
terminal-ui 0.1.3
Terminal ui is a crate used to visualize logs
4 versions - Latest release: almost 2 years ago - 1 dependent package - 1.74 thousand downloads total - 77 stars on GitHub - 1 maintainer
log-analyzer-pro 1.0.3
Log Analyzer Pro is a command line application giving powerful filtering and searching capabiliti...
4 versions - Latest release: almost 2 years ago - 1.38 thousand downloads total - 77 stars on GitHub - 1 maintainer
log-source 0.1.3
Log source is a crate used to read files and sockets
3 versions - Latest release: almost 2 years ago - 1 dependent package - 2.17 thousand downloads total - 77 stars on GitHub - 1 maintainer
log-analyzer 0.1.3
log analyzer is a crate used to read, filter and search logs
4 versions - Latest release: almost 2 years ago - 2 dependent packages - 2.08 thousand downloads total - 77 stars on GitHub - 1 maintainer
tree-sitter-regex 0.21.0
Regex grammar for tree-sitter
2 versions - Latest release: 14 days ago - 2 dependent packages - 17.8 thousand downloads total - 68 stars on GitHub - 1 maintainer
pleaser 0.5.5
please, a polite regex-first sudo alternative
32 versions - Latest release: about 1 month ago - 12.3 thousand downloads total - 67 stars on GitLab.com - 1 maintainer
gret 0.1.2
gret is a command line tool to search for patterns and show matches in a tree structure
3 versions - Latest release: 7 months ago - 935 downloads total - 63 stars on GitHub - 1 maintainer
regex_generate 0.2.3
Use regular expressions to generate text.
5 versions - Latest release: about 1 year ago - 5 dependent packages - 5 dependent repositories - 56.4 thousand downloads total - 62 stars on GitHub - 1 maintainer
Top 6.0% on crates.io
serde_regex 1.1.0
A serde wrapper that (de)serializes regex as strings
7 versions - Latest release: almost 4 years ago - 84 dependent packages - 1,135 dependent repositories - 6.28 million downloads total - 59 stars on GitHub - 1 maintainer
hitori 0.2.3
Generic compile-time regular expressions
10 versions - Latest release: about 1 year ago - 1 dependent package - 4.27 thousand downloads total - 53 stars on GitHub - 1 maintainer
eliza 2.0.1
A rust implementation of ELIZA - a natural language processing program developed by Joseph Weizen...
10 versions - Latest release: 5 months ago - 2 dependent repositories - 6.6 thousand downloads total - 52 stars on GitHub - 1 maintainer
pag-lexer 0.1.0-alpha.1
Parser-lexer fusion generator (derivative lexer)
1 version - Latest release: 12 months ago - 1 dependent package - 674 downloads total - 51 stars on GitHub - 1 maintainer
Top 9.3% on crates.io
pcre2-sys 0.2.9
Low level bindings to PCRE2.
12 versions - Latest release: about 2 months ago - 1 dependent package - 230 dependent repositories - 388 thousand downloads total - 50 stars on GitHub - 1 maintainer
Top 6.7% on crates.io
pcre2 0.2.7
High level wrapper library for PCRE2.
10 versions - Latest release: about 2 months ago - 13 dependent packages - 233 dependent repositories - 378 thousand downloads total - 50 stars on GitHub - 1 maintainer
Top 5.8% on crates.io
globwalk 0.9.1
Glob-matched recursive file system walking.
15 versions - Latest release: 4 months ago - 87 dependent packages - 2,048 dependent repositories - 15.2 million downloads total - 50 stars on GitHub - 1 maintainer
ren-find 0.0.3
Rename files from find results.
2 versions - Latest release: 7 months ago - 673 downloads total - 49 stars on GitHub - 1 maintainer
human_regex 0.3.0
A regex library for humans
9 versions - Latest release: over 1 year ago - 2 dependent packages - 1 dependent repositories - 4.83 thousand downloads total - 47 stars on GitHub - 1 maintainer
regexm 0.2.1 💰
A Rust macro for writing regex pattern matching.
7 versions - Latest release: about 3 years ago - 2.81 thousand downloads total - 46 stars on GitHub - 1 maintainer
verex 0.2.2
This crate provides a Rust implementation of VerbalExpressions in order to build regex strings wi...
5 versions - Latest release: over 8 years ago - 1 dependent repositories - 5.22 thousand downloads total - 44 stars on GitHub - 1 maintainer
rew 0.3.0
A text processing CLI tool that rewrites FS paths according to a pattern.
3 versions - Latest release: about 3 years ago - 1.32 thousand downloads total - 40 stars on GitHub - 1 maintainer
ogrep 0.4.0
Tool for searching in indentation-structured texts.
4 versions - Latest release: over 4 years ago - 2.6 thousand downloads total - 34 stars on GitHub - 1 maintainer
s3find 0.7.2
A command line utility to walk an Amazon S3 hierarchy. s3find is an analog of find for Amazon S3.
18 versions - Latest release: almost 4 years ago - 7.88 thousand downloads total - 32 stars on GitHub - 1 maintainer
nym 0.1.0
Manipulate files en masse using patterns.
2 versions - Latest release: about 3 years ago - 1 dependent package - 1.38 thousand downloads total - 31 stars on GitHub - 1 maintainer
nym-cli 0.1.0
Manipulate files en masse using patterns.
1 version - Latest release: about 3 years ago - 495 downloads total - 31 stars on GitHub - 1 maintainer
pretty_regex 1.0.5
🧶 Elegant and readable way of writing regular expressions
9 versions - Latest release: 6 months ago - 2.58 thousand downloads total - 31 stars on GitHub - 1 maintainer
regex-cursor 0.1.4
regex fork that can search discontiguous haystacks
5 versions - Latest release: 2 months ago - 15.2 thousand downloads total - 29 stars on GitHub - 1 maintainer
retest 0.2.3 💰
Command-line regular expression tester
1 version - Latest release: over 5 years ago - 736 downloads total - 29 stars on GitHub - 1 maintainer
cfg-regex 0.1.1
Conversion from a regular expression to a context-free grammar.
3 versions - Latest release: over 4 years ago - 2 dependent packages - 1 dependent repositories - 6.71 thousand downloads total - 28 stars on GitHub - 1 maintainer
sscanf 0.4.1
A sscanf (inverse of format!()) Macro based on Regex
13 versions - Latest release: 12 months ago - 10 dependent packages - 27 dependent repositories - 255 thousand downloads total - 27 stars on GitHub - 1 maintainer
rand_regex 0.17.0
Generates random strings and byte strings matching a regex
11 versions - Latest release: 4 months ago - 13 dependent packages - 24 dependent repositories - 704 thousand downloads total - 25 stars on GitHub - 1 maintainer
geoipsed 0.1.3
Inline decoration of IPv4 and IPv6 address geolocations
1 version - Latest release: 4 months ago - 315 downloads total - 24 stars on GitHub - 1 maintainer
pcre 0.2.3
Rust wrapper for libpcre.
6 versions - Latest release: almost 8 years ago - 2 dependent packages - 3 dependent repositories - 39.7 thousand downloads total - 24 stars on GitHub - 1 maintainer
reformation 0.5.3
Parsing via regular expressions
10 versions - Latest release: over 3 years ago - 3 dependent packages - 3 dependent repositories - 10.3 thousand downloads total - 23 stars on GitHub - 1 maintainer
laps_regex 0.1.1
Tools for generating NFAs, DFAs and state-transition tables from regular expressions.
4 versions - Latest release: 5 months ago - 1 dependent package - 1 dependent repositories - 1.51 thousand downloads total - 20 stars on GitHub - 1 maintainer
treegrep 0.1.3
A pattern matcher frontend or backend which displays results in a tree
4 versions - Latest release: 4 months ago - 1.04 thousand downloads total - 16 stars on GitHub - 1 maintainer
automaton 0.0.2
Parse regular languages
2 versions - Latest release: 30 days ago - 1.86 thousand downloads total - 16 stars on GitHub - 1 maintainer
lua-pattern 0.1.2 💰
Parser for Lua patterns and conversion to regular expressions
3 versions - Latest release: 11 months ago - 1 dependent package - 1.23 thousand downloads total - 14 stars on GitHub - 1 maintainer
csv-groupby 0.10.0
execute a sql-like group-by on arbitrary text or csv files
9 versions - Latest release: almost 3 years ago - 3.71 thousand downloads total - 13 stars on GitHub - 1 maintainer
flexible_inspect_rs 2.0.0
Library for creating a custom validator
1 version - Latest release: 9 months ago - 297 downloads total - 12 stars on GitHub - 1 maintainer
Related Keywords
rust 79 regexp 37 cli 33 pattern 32 search 27 grep 26 regular-expression 20 dfa 19 command-line-tool 18 parser 17 regular-expressions 17 nfa 16 rust-lang 16 command-line 15 ripgrep 15 glob 15 gitignore 14 automata 14 automaton 12 recursively-search 12 text 11 parsing 11 regex-engine 11 find 11 pomsky 9 regex-parser 9 lexer 8 macro 8 regex-syntax 8 file 7 rename 7 regular 6 serde 6 terminal 6 replace 6 lazy 5 hacktoberfest 5 language 5 sed 5 filter 5 match 4 ffi 4 crate 4 re 4 regexes 4 validation 4 files 4 parse 4 derive 4 rust-bindings 4 rename-files 4 log 4 analysis 4 grammar 4 iterator 4 pattern-matching 4 pcre 4 tool 4 filesystem 4 utilities 3 egrep 3 web 3 tree-sitter 3 router 3 rustlang 3 tokenizer 3 path 3 expression 3 walk 3 simple 3 jit 3 oniguruma 3 text-processing 3 rust-crate 3 compiler 3 hyperscan 3 syntax 3 rulex 3 static 3 streaming 3 set 3 utility 3 bindings 3 regular-expression-engine 2 human-readable 2 pcre2 2 deserialization 2 capture-text 2 wildcard-matches 2 regexpr 2 tre 2 regex-pattern 2 futures-rs 2 html-parser 2 easy 2 parser-generator 2 earley-parser 2 beans 2 clap 2 gnfa 2