Hi Mai Loc,

Check this post https://www.outsystems.com/forums/discussion/53825/how-to-convert-half-width-character-to-full-width-character/

Regards,

Luis Oliveira

Hi Mai,

You can use below javascript to find the given input character is a half-width character or a full-width character 

str="Chinese;;Ａ"
alert(str.match(/[\u0000-\u00ff]/g)) //Half-width
alert(str.match(/[\u4e00-\u9fa5]/g)) //Chinese
alert(str.match(/[\uff00-\uffff]/g)) //full width

Thanks, Aadhavan S