Function is_valid 

pub const fn is_valid(target: &str) -> bool

If the specified target is valid to use as an MXP identifier or value, returns true. Otherwise, returns false.

Examples

let err = mxp::ErrorKind::InvalidEntityName;
assert!(mxp::is_valid("abc"));
assert!(mxp::is_valid("aBc_-."));
assert!(!mxp::is_valid(""));
assert!(!mxp::is_valid("_test"));
assert!(!mxp::is_valid("abc!"));