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42 lines
1.1 KiB
Plaintext
42 lines
1.1 KiB
Plaintext
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#!/bin/sh
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set -e
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out=$GOROOT/src/pkg/regexp/syntax/doc.go
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cp syntax.txt $out
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sam -d $out <<'!'
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,x g/NOT SUPPORTED/d
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/^Unicode character class/,$d
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,s/[«»]//g
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,x g/^Possessive repetitions:/d
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,x g/\\C/d
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,x g/Flag syntax/d
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,s/.=(true|false)/flag &/g
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,s/^Flags:/ Flag syntax is xyz (set) or -xyz (clear) or xy-z (set xy, clear z). The flags are:\n/
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,s/\n\n\n+/\n\n/g
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,x/(^.* .*\n)+/ | awk -F' ' '{printf(" %-14s %s\n", $1, $2)}'
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1,2c
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// DO NOT EDIT. This file is generated by mksyntaxgo from the RE2 distribution.
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/*
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Package syntax parses regular expressions into parse trees and compiles
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parse trees into programs. Most clients of regular expressions will use the
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facilities of package regexp (such as Compile and Match) instead of this package.
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Syntax
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The regular expression syntax understood by this package when parsing with the Perl flag is as follows.
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Parts of the syntax can be disabled by passing alternate flags to Parse.
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.
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$a
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*/
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package syntax
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.
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w
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q
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!
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