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@ -16,6 +16,7 @@ import (
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const CONCAT rune = '~'
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var notDotChars []rune
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var caseInsensitiveFlag *bool // Whether we are running in case-insensitive mode
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func isOperator(c rune) bool {
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if c == '+' || c == '?' || c == '*' || c == '|' || c == CONCAT {
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@ -155,7 +156,11 @@ func shuntingYard(re string) []postfixNode {
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*/
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c := re_postfix[i]
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if isNormalChar(c) {
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if *caseInsensitiveFlag {
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outQueue = append(outQueue, newPostfixNode(allCases(c)...))
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} else {
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outQueue = append(outQueue, newPostfixNode(c))
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}
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continue
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}
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// Escape character
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@ -501,6 +506,7 @@ func main() {
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lineFlag := flag.Bool("l", false, "Only print lines with a match (or with no matches, if -v is enabled). Similar to grep's default.")
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multiLineFlag := flag.Bool("t", false, "Multi-line mode. Treats newline just like any character.")
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printMatchesFlag := flag.Bool("p", false, "Prints start and end index of each match. Can only be used with '-t' for multi-line mode.")
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caseInsensitiveFlag = flag.Bool("i", false, "Case-insensitive. Disregard the case of all characters.")
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flag.Parse()
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// In multi-line mode, 'dot' metacharacter also matches newline
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