Use the PCRE2 engine

bash

rg -P '(?<=Authorization: )Bearer\s+\S+' headers.txt

Explanation

PCRE2 is especially useful for look-behind, backreferences, and some complex matching scenarios.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing PCRE2 features

Match repeated text with PCRE2.

Open In sheetbashsame section

Match only when text is followed by another fragment.

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Search for letters with Unicode-aware semantics.

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Allow regexes to match newlines.

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Match text spanning lines using a more powerful regex engine.

Open In sheetbash2 tag match

Search for either of two words.

Open In sheetbash1 tag match