34,333
edits
Changes
→Matching by Character Type
<th>Class Keyword<th>Description of Matches</th>
<tr>
<td>\[[:alnum:]\]<td>Alphanumeric - any number or letter. Equivalent to [a-z], [A-Z] and [0-9]</td>
<tr>
<td>[[:alpha:]]<td>Alpha - any letter. Equivalent to [a-z] and [A-Z]</td>
