Known Limitation - Field Validation does not support non English Alphabet (a-z) character detection

CallScripter Synergy's field validation options do not support detection of non English Alphabet (a-z) characters.
User Guide article on Validation available in Synergy: https://manualssynergy.callscripter.com/validation_tab.html
 
Example
This means that if you apply "Alpha Only Validation" to a text box you will get the below outcomes.
Characters Outcome
a true
bob the builder true
Æ false
Ø false
1 false
@ false