1 files changed, 33 insertions, 0 deletions
diff --git a/util/text/validate.go b/util/text/validate.go
new file mode 100644
index 00000000..68bdf48b
--- /dev/null
+++ b/util/text/validate.go
@@ -0,0 +1,33 @@
+package text
+
+import (
+	"strings"
+	"unicode"
+)
+
+// Empty tell if the string is considered empty once space
+// and not graphics characters are removed
+func Empty(s string) bool {
+	trim := strings.TrimFunc(s, func(r rune) bool {
+		return unicode.IsSpace(r) || !unicode.IsGraphic(r)
+	})
+
+	return trim == ""
+}
+
+// Safe will tell if a character in the string is considered unsafe
+// Currently trigger on unicode control character except \n, \t and \r
+func Safe(s string) bool {
+	for _, r := range s {
+		switch r {
+		case '\t', '\r', '\n':
+			continue
+		}
+
+		if unicode.IsControl(r) {
+			return false
+		}
+	}
+
+	return true
+}