Fixes #10

.gitignore

@@ -16,3 +16,4 @@
 test/
 build/
 dev/
+build.sh

Dockerfile

@@ -0,0 +1,7 @@
+FROM golang:latest
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        zip \
+    && rm -rf /var/lib/apt/lists/*
+
+

Makefile

@@ -1,6 +1,6 @@
 appname := yago
 BINARYNAME="YaGo"
-VERSION=v0.1.2
+VERSION=$(shell git describe)
 TARGET=all
 BUILD_TIME=$(shell date +%FT%T%z)
 BUILD=$(shell git rev-parse HEAD)
@@ -23,7 +23,7 @@ zip = cd build && zip $(appname)_$(1)_$(2).zip $(appname)$(3) && rm $(appname)$(
 all: windows darwin linux
 
 clean:
-	rm -rf build/
+	rm -rf build/*
 
 ##### LINUX BUILDS #####
 linux: build/linux_arm.tar.gz build/linux_arm64.tar.gz build/linux_386.tar.gz build/linux_amd64.tar.gz

README.md

@@ -186,7 +186,3 @@ func main() {
 # Contribute
 If you would like to be part of the Yara comunity or Yara-Rules project you are free to contribute with us in any way. You can send issues or pull requests, by sharing Yara rules, etc.
 
-# Changelog
-Version: **0.1.3**
-Initial release.
-

godep.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+go get
+make clean
+make

lexic/helper.go

@@ -193,6 +193,10 @@ func isSpace(r rune) bool {
 	return r == ' '
 }
 
+func isValidRegexpMod(r rune) bool {
+	return r == 'i' || r == 's'
+}
+
 // isEndOfLine reports whether r is an end-of-line character.
 func isEndOfLine(r rune) bool {
 	return r == '\r' || r == '\n'

lexic/scanner.go

@@ -51,6 +51,17 @@ func scanCommentOrRegex(l *Lexer) stateFn {
 			}
 			r = l.next()
 		}
+
+		mod := ""
+		r = l.next()
+		if !isValidRegexpMod(r) {
+			l.errorf("Line %d: illegal regex modifier", l.Line)
+		}
+		for isValidRegexpMod(r) {
+			mod += string(r)
+			r = l.next()
+		}
+		l.backup()
 		l.emit("ItemRegex")
 		return lexText
 	}