23 lines
374 B
Go
23 lines
374 B
Go
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package clifmt
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import (
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"regexp"
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)
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var esc = regexp.MustCompile(`(?m)\[(?:\d+;)*\d+m`)
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// displaySize returns the real size escaping special characters
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func displaySize(s string) int {
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// 1. get actual size
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size := len(s)
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// 2. get all terminal coloring matches
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matches := esc.FindAllString(s, -1)
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for _, m := range matches {
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size -= len(m)
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}
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return size
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}
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