flutter allow character araic and english code example
Example: flutter regular expression for arabic and english characters
^[\u0600-\u065F\u066A-\u06EF\u06FA-\u06FFa-zA-Z]+[\u0600-\u065F\u066A-\u06EF\u06FA-\u06FFa-zA-Z-_]*$^[\u0600-\u065F\u066A-\u06EF\u06FA-\u06FFa-zA-Z]+[\u0600-\u065F\u066A-\u06EF\u06FA-\u06FFa-zA-Z-_]*$