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Docs: Note PCRE as regex flavor of patterns. #1481

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Docs: Note PCRE as regex flavor of patterns. #1481

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2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -8,6 +8,8 @@ A code searching tool similar to `ack`, with a focus on speed.

[![#ag on Freenode](https://img.shields.io/badge/Freenode-%23ag-brightgreen.svg)](https://webchat.freenode.net/?channels=ag)

Search patterns can be literals or [Perl Compatible Regular Expressions (PCREs)](http://www.pcre.org/).

Do you know C? Want to improve ag? [I invite you to pair with me](http://geoff.greer.fm/2014/10/13/help-me-get-to-ag-10/).


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11 changes: 9 additions & 2 deletions doc/ag.1
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@@ -1,7 +1,7 @@
.\" generated with Ronn/v0.7.3
.\" http://github.com/rtomayko/ronn/tree/0.7.3
.
.TH "AG" "1" "December 2016" "" ""
.TH "AG" "1" "March 2022" "" ""
.
.SH "NAME"
\fBag\fR \- The Silver Searcher\. Like ack, but faster\.
Expand All @@ -12,6 +12,9 @@
.SH "DESCRIPTION"
Recursively search for PATTERN in PATH\. Like grep or ack, but faster\.
.
.P
PATTERN is a Perl\-Compatible Regular Expression (PCRE)\. Refer to pcre(3), pcrepattern(3) and pcresyntax(3) for details\.
.
.SH "OPTIONS"
.
.TP
Expand Down Expand Up @@ -252,6 +255,10 @@ Only match whole words\.
Use NUM worker threads\. Default is the number of CPU cores, with a max of 8\.
.
.TP
\fB\-W \-\-width NUM\fR
Truncate match lines after NUM characters\.
.
.TP
\fB\-z \-\-search\-zip\fR
Search contents of compressed files\. Currently, gz and xz are supported\. This option requires that ag is built with lzma and zlib\.
.
Expand Down Expand Up @@ -284,4 +291,4 @@ Use the \fB\-t\fR option to search all text files; \fB\-a\fR to search all files
ag was originally created by Geoff Greer\. More information (and the latest release) can be found at http://geoff\.greer\.fm/ag
.
.SH "SEE ALSO"
grep(1)
grep(1), pcre(3), pcrepattern(3), pcresyntax(3)
4 changes: 3 additions & 1 deletion doc/ag.1.md
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Expand Up @@ -9,6 +9,8 @@ ag(1) -- The Silver Searcher. Like ack, but faster.

Recursively search for PATTERN in PATH. Like grep or ack, but faster.

PATTERN is a Perl-Compatible Regular Expression (PCRE). Refer to pcre(3), pcrepattern(3) and pcresyntax(3) for details.

## OPTIONS

* `--ackmate`:
Expand Down Expand Up @@ -259,4 +261,4 @@ release) can be found at http://geoff.greer.fm/ag

## SEE ALSO

grep(1)
grep(1), pcre(3), pcrepattern(3), pcresyntax(3)