$unicode:Joining_Type:Join_Causing
[\u0640\u07FA\u180A\u200D]
[\x{0640}\x{07FA}\x{180A}\x{200D}]
Test a string: Show
Compare with: Show
Complemetary
[Notes]
The set definition is contained in sets.json data file.
sets.json
U+0640
U+07FA
U+180A
U+200D