# sed

- [Apply Multiple Substitutions To The Input](/til/tools/sed/apply-multiple-substitutions-to-the-input.md)
- [Equivalence Classes Of Repetition MetaChars](/til/tools/sed/equivalence-classes-of-repetition-metachars.md)
- [Extract Value From Command Output With Sed](/til/tools/sed/extract-value-from-command-output-with-sed.md)
- [Grab All The Method Names Defined In A Ruby File](/til/tools/sed/grab-all-the-method-names-defined-in-a-ruby-file.md)
- [Grab The First Line Of A File](/til/tools/sed/grab-the-first-line-of-a-file.md)
- [OSX sed Does Regex A Bit Different](/til/tools/sed/osx-sed-does-regex-a-bit-different.md)
- [Output Only Lines Involved In A Substitution](/til/tools/sed/output-only-lines-involved-in-a-substitution.md)
- [Reference A Capture In The Regex](/til/tools/sed/reference-a-capture-in-the-regex.md)
- [Use An Alternative Delimiter In A Substitution](/til/tools/sed/use-an-alternative-delimiter-in-a-substitution.md)