Search the contents of files using grep

Search directory contents recursively using grep

Use find to search for filename patterns

Search matching files by combining find and grep with xargs

Search the contents of a git repository with git grep

Show context around matches using grep

Search for basic patterns using grep

Use grep's extended regular expressions to find complex patterns

Search for optional patterns with grep OR

Specify line beginning and end in patterns using grep

Match classes of characters using bracket expressions with grep

Search with groups using grep

Find matches excluding a pattern with grep

Use Grep for Fast Search from the Command Line

Learn to use the special anchor characters `^` and `$` to indicate the beginning and end of lines when writing regular expressions for grep. These line anchors are part of basic regular expressions in grep, so you don't need to escape them.

Specify line beginning and end in patterns using grep

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Use Grep for Fast Search from the Command Line