4.4.1 English Punctuation Mark Verification

English punctuation is more, such as, (comma),. (dot),? (question mark),: (colon),; (semicolon), ' (single quotation mark),! (exclamation point), "(double quotation mark),-(connection number) 、--(dash) 、... (ellipses), () (parentheses), [] (brackets), {} (curly braces), ' (all lattice symbols), and so on. The following regular expressions can verify English punctuation. [-,.?:;'"! `]| (-{2}) | (/. {3}) | (/(/))| (/[/])| ({}) (63) The regular expression (63) explains: [-,.?:; ' "! ']       Can match-、,、.、?、:, ', ' 、!、 '.       -{2} match Dash--。 /.       {3} matches ellipsis ....       /(/) match parentheses ().       /[/] matches the brackets. 　　{} matches curly braces. Use the tool Regex tester to test the regular expression (63), as shown in the figure.