Regular expression for English words
[A-Za-z0-9-]+

Regular expression for tokenized Chinese words
[\u4e00-\u9fa5Ａ-ＺA-Za-zａ-ｚ0-9０-９\.%％]+
or
[一-龥Ａ-ＺA-Za-zａ-ｚ0-9０-９\.%％]+

Regular expression for Chinese characters
[\u4e00-\u9fa5]|[A-Za-zＡ-Ｚａ-ｚ0-9０-９\.%％]+
or
[一-龥]|[A-Za-zＡ-Ｚａ-ｚ0-9０-９\.%％]+

Regular expression for Albanian words
[a-zA-Z0-9ÇËçë-]+

Regular expression for Amharic words
[\u1200-\u135c\u1369-\u137f0-9a-zA-Z]+

Regular expression for Bosnian, Croatian, Serbian & Montenegrin words
[a-zA-Z0-9ČčĆćĐđǄǅǆǇǈǉǊǋǌŠšŽž-]+

Regular expression for Catalan words
[a-zA-Z·ÀÇÉÈÍÏÒÓÜÚàçéèíïòóüú0-9%'-]+

Regular expression for Danish words
[a-zA-ZæÆøØåÅéÉ0-9-]+

Regular expression for Dutch words
[A-Za-zÁáÀàÂâÄäÉéÈèÊêËëÍíÌìÎîÏïĲĳÓóÒòÔôÖöÚúÙùÛûÜüÝýŸÿƒ0-9-']+

Regular expression for Finnish words
[a-zA-Z0-9åäöšüžøõãíóúýèìòùâêîôûïÿ-]+

Regular expression for German words
[A-Za-zÄäÖöÜüß0-9-]+

Regular expression for Icelandic words
[A-Za-z0-9ÁáÐðÉéÍíÓóÚúÝýÞþÆæÖö-]+

Regular expression for tokenized Japanese words
[A-Za-zａ-ｚＡ-Ｚ0-9０-９一-龠ぁ-んァ-ヴー〇々%％]+

Regular expression for Malagasy words
[a-zA-Z0-9àÀôÔỳỲâéèêëìîïñÂÉÈÊËÌÎÏÑ-']+

Regular expression for Russian words
[А-Яа-яЁёa-zA-Z0-9-]+

Regular expression for Spanish words
[A-Za-záéíñóúÁÉÍÑÓÚüÜ0-9-]+

Regular expression for Swahili words
[a-zA-Z0-9'-]+

Regular expression for Zulu words
[A-Za-z0-9-']+


Note: The expressions above are case-sensitive by default, meaning that the Case Sensitive option is checked in the Settings. If Case Sensitive is not checked, A-Za-z can simply be written as either a-z or A-Z.