Issues · uutils/grep · GitHub

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POSIX equivalence classes `[[=c=]]` do not match like GNU

good first issue

#35

· sylvestre opened

on Jun 4, 2026

`-i` matches multi-character sequences via Unicode case folding where GNU matches one

good first issue

#32

· sylvestre opened

on Jun 4, 2026

`\s` and `\S` are not honored in basic-regexp (`-G`) mode like GNU

good first issue

#31

· sylvestre opened

on Jun 4, 2026

does not short-circuit an empty pattern with `-v` like GNU (same family as #4)

good first issue

#27

· sylvestre opened

on Jun 2, 2026

emits a spurious `--` context separator between adjacent groups

good first issue

#24

· sylvestre opened

on Jun 2, 2026

rejects a leading quantifier (`?`/`*`/`+`) that GNU accepts with a warning

good first issue

#23

· sylvestre opened

on Jun 2, 2026

cargo check for wasm32-wasip1 fails

#20

· oech3 opened

on Jun 2, 2026

`grep` - with `-m 0` still opens files instead of short-circuiting like GNU (errors on a missing file GNU never touches)

good first issue

#4

· sylvestre opened

on May 28, 2026

accepts conflicting matcher flags instead of erroring like GNU (`-F`/`-E`/`-G`/`-P` combinations)

good first issue

#3

· sylvestre opened

on May 28, 2026