{"id":49145,"date":"2025-04-13T17:13:23","date_gmt":"2025-04-13T17:13:23","guid":{"rendered":"https:\/\/www.oracletutoring.ca\/blog\/?p=49145"},"modified":"2025-04-13T17:13:23","modified_gmt":"2025-04-13T17:13:23","slug":"comp-sci-regular-expressions-caret-part-1","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/comp-sci-regular-expressions-caret-part-1\/","title":{"rendered":"Comp sci: regular expressions: caret, part 1"},"content":{"rendered":"\n<h2>Self-tutoring about regular expressions: the tutor mentions a use of the caret symbol, ^.<\/h2>\n<p>\nIt seems that, in regular expressions, &#8220;^&#8221; can mean &#8220;not&#8221; when it&#8217;s the first character inside of square brackets. For example, it seems that [^a-zA-Z] would refer to non-alphabetic characters.<\/p>\n<p>\nSource:<\/p>\n<p><a href=\"https:\/\/www.ibm.com\/docs\/en\/db2\/11.5.0?topic=reference-regular-expressions\">ibm.com\/docs<\/a><\/p>\nJack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.\n","protected":false},"excerpt":{"rendered":"<p>Self-tutoring about regular expressions: the tutor mentions a use of the caret symbol, ^. It seems that, in regular expressions, &#8220;^&#8221; can mean &#8220;not&#8221; when it&#8217;s the first character inside of square brackets. For example, it seems that [^a-zA-Z] would &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/comp-sci-regular-expressions-caret-part-1\/\"> <span class=\"screen-reader-text\">Comp sci: regular expressions: caret, part 1<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[3623,710,2160],"class_list":["post-49145","post","type-post","status-publish","format-standard","hentry","category-computer-science","tag-caret","tag-regex","tag-regular-expression"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/49145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=49145"}],"version-history":[{"count":3,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/49145\/revisions"}],"predecessor-version":[{"id":49148,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/49145\/revisions\/49148"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=49145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=49145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=49145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}