{"id":3962,"date":"2023-09-22T07:39:58","date_gmt":"2023-09-22T06:39:58","guid":{"rendered":"https:\/\/help.expertsender.com\/?post_type=es&#038;p=3962"},"modified":"2024-03-19T13:25:45","modified_gmt":"2024-03-19T12:25:45","slug":"regexp","status":"publish","type":"es","link":"https:\/\/help.expertsender.com\/pl\/emp\/dynamic-content\/text-operations\/regexp\/","title":{"rendered":"regexp"},"content":{"rendered":"\n<p><span style=\"color: rgb(33, 33, 33); font-family: Roboto;\">Regular expressions are a powerful text transformation tool. The example below lets you conditionally display some text when the subject of the message contains either free or gratis strings:<\/span><\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#babed8;--cbp-line-number-width:8.4375px;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"&lt;if condition=&quot;System.Text.RegularExpressions.Regex.IsMatch(MessageSubject, 'free|gratis')&quot;&gt;\n    &lt;p&gt;New wonderful free offer for our clients!&lt;\/p&gt;\n&lt;\/if&gt;\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg  style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #F07178\">if<\/span><span style=\"color: #89DDFF\"> <\/span><span style=\"color: #C792EA\">condition<\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #89DDFF\">&quot;<\/span><span style=\"color: #C3E88D\">System.Text.RegularExpressions.Regex.IsMatch(MessageSubject, &#39;free|gratis&#39;)<\/span><span style=\"color: #89DDFF\">&quot;<\/span><span style=\"color: #89DDFF\">&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">    <\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #F07178\">p<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\">New wonderful free offer for our clients!<\/span><span style=\"color: #89DDFF\">&lt;\/<\/span><span style=\"color: #F07178\">p<\/span><span style=\"color: #89DDFF\">&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">&lt;\/<\/span><span style=\"color: #F07178\">if<\/span><span style=\"color: #89DDFF\">&gt;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Regular expressions allow you to replace one string with the other. Example below replaces string \u201cfree\u201d to \u201cgratis\u201d in the message subject:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#babed8;--cbp-line-number-width:8.4375px;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"${System.Text.RegularExpressions.Regex.Replace(MessageSubject, 'free', 'gratis')}\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg  style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #BABED8\">$<\/span><span style=\"color: #89DDFF\">{<\/span><span style=\"color: #BABED8\">System<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #BABED8\">Text<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #BABED8\">RegularExpressions<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #BABED8\">Regex<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">Replace<\/span><span style=\"color: #89DDFF\">(<\/span><span style=\"color: #BABED8\">MessageSubject<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">&#39;<\/span><span style=\"color: #C3E88D\">free<\/span><span style=\"color: #89DDFF\">&#39;<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">&#39;<\/span><span style=\"color: #C3E88D\">gratis<\/span><span style=\"color: #89DDFF\">&#39;<\/span><span style=\"color: #89DDFF\">)}<\/span><\/span><\/code><\/pre><\/div>\n","protected":false},"author":5,"featured_media":0,"parent":3952,"menu_order":186,"template":"","format":"standard","emp-category":[],"class_list":["post-3962","es","type-es","status-publish","format-standard","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/es\/3962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/es"}],"about":[{"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/types\/es"}],"author":[{"embeddable":true,"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/users\/5"}],"version-history":[{"count":2,"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/es\/3962\/revisions"}],"predecessor-version":[{"id":8902,"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/es\/3962\/revisions\/8902"}],"up":[{"embeddable":true,"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/es\/3952"}],"wp:attachment":[{"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/media?parent=3962"}],"wp:term":[{"taxonomy":"emp-category","embeddable":true,"href":"https:\/\/help.expertsender.com\/pl\/wp-json\/wp\/v2\/emp-category?post=3962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}