isBool static method
Tests whether text
is a valid boolean value.
Allowed: 'true', 'false', 'yes', 'no' 't', 'f' (case insensitive)
Implementation
static bool isBool(String text) {
var rc = false;
if (text.isNotEmpty) {
rc = regExprBool.firstMatch(text) != null;
}
return rc;
}