{"id":57716,"date":"2026-04-20T15:45:57","date_gmt":"2026-04-20T15:45:57","guid":{"rendered":"https:\/\/digitionary.com\/glossary\/regex\/"},"modified":"2026-04-20T17:37:01","modified_gmt":"2026-04-20T17:37:01","slug":"regex","status":"publish","type":"glossary","link":"https:\/\/digitionary.com\/en\/glossary\/regex\/","title":{"rendered":"RegEx"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Regular expressions, also known as RegEx (short for regular expression), are patterns frequently used to describe character string patterns. Their main function is to extract information from a given text. For example, the pattern #^[a-zA-Z-]+@[a-zA-Z-]+.[a-zA-Z]{2,6}$# can be used to identify all email addresses present in a text or form field. Similarly, the expression [a-z0-9] matches the lowercase letters from a to z or the digits from 0 to 9. Common tools for manipulating regular expressions include AutoRegex, RegExOne, Regexr, Regulex, and Ihateregex.io.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Regular expressions, also known as RegEx (short for regular expression), are patterns frequently used to describe character string patterns. Their main function is to extract information from a given text. For example, the pattern #^[a-zA-Z-]+@[a-zA-Z-]+.[a-zA-Z]{2,6}$# can be used to identify all email addresses present in a text or form field. Similarly, the expression [a-z0-9] matches [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"wds_primary_glossary-categories":0,"footnotes":""},"glossary-categories":[94],"glossary-tags":[],"class_list":["post-57716","glossary","type-glossary","status-publish","hentry","glossary-categories-direct-marketing-databases"],"_links":{"self":[{"href":"https:\/\/digitionary.com\/en\/wp-json\/wp\/v2\/glossary\/57716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/digitionary.com\/en\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/digitionary.com\/en\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/digitionary.com\/en\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/digitionary.com\/en\/wp-json\/wp\/v2\/glossary\/57716\/revisions"}],"wp:attachment":[{"href":"https:\/\/digitionary.com\/en\/wp-json\/wp\/v2\/media?parent=57716"}],"wp:term":[{"taxonomy":"glossary-categories","embeddable":true,"href":"https:\/\/digitionary.com\/en\/wp-json\/wp\/v2\/glossary-categories?post=57716"},{"taxonomy":"glossary-tags","embeddable":true,"href":"https:\/\/digitionary.com\/en\/wp-json\/wp\/v2\/glossary-tags?post=57716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}