Test, validate and match regular expressions
Matches one or more characters from the complete Persian (Farsi) alphabet (ابپتثجچحخدذرزژسشصضطظعغفقکگلمنوهی) plus spaces, captured in group 1. Useful for extracting or validating pure Persian text while filtering out Latin letters, digits, punctuation, and symbols. Common applications include Persian form validation (e.g., names), cleaning mixed-script text, and selecting Farsi content. Note it uses Persian-specific Unicode codepoints like پ, چ, ژ, ک, گ, ی that differ from Arabic variants.