{"id":3390,"date":"2017-08-13T11:42:38","date_gmt":"2017-08-13T08:42:38","guid":{"rendered":"http:\/\/kamil-abzalov.com\/tutorials\/javascript-regular-expressions-part-two\/"},"modified":"2020-06-14T23:23:18","modified_gmt":"2020-06-14T20:23:18","slug":"javascript-regular-expressions-part-two","status":"publish","type":"post","link":"https:\/\/kamil-abzalov.com\/en\/tutorials\/javascript\/javascript-regular-expressions-part-two\/","title":{"rendered":"Javascript. Regular expressions. Part two"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; fullwidth=&#8221;on&#8221; _builder_version=&#8221;3.22&#8243;][et_pb_fullwidth_header title=&#8221;Javascript. Regular expressions. Part two&#8221; content_max_width=&#8221;none&#8221; _builder_version=&#8221;3.16&#8243; button_one_letter_spacing_hover=&#8221;0&#8243; button_two_letter_spacing_hover=&#8221;0&#8243; button_one_text_size__hover_enabled=&#8221;off&#8221; button_two_text_size__hover_enabled=&#8221;off&#8221; button_one_text_color__hover_enabled=&#8221;off&#8221; button_two_text_color__hover_enabled=&#8221;off&#8221; button_one_border_width__hover_enabled=&#8221;off&#8221; button_two_border_width__hover_enabled=&#8221;off&#8221; button_one_border_color__hover_enabled=&#8221;off&#8221; button_two_border_color__hover_enabled=&#8221;off&#8221; button_one_border_radius__hover_enabled=&#8221;off&#8221; button_two_border_radius__hover_enabled=&#8221;off&#8221; button_one_letter_spacing__hover_enabled=&#8221;on&#8221; button_one_letter_spacing__hover=&#8221;0&#8243; button_two_letter_spacing__hover_enabled=&#8221;on&#8221; button_two_letter_spacing__hover=&#8221;0&#8243; button_one_bg_color__hover_enabled=&#8221;off&#8221; button_two_bg_color__hover_enabled=&#8221;off&#8221;][\/et_pb_fullwidth_header][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;3.22&#8243;][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;3.25&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;0px|||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_dcsbcm_divi_breadcrumbs_module homebreadcrumbtext=&#8221;Home&#8221; hide_currentbreadcrumb=&#8221;off&#8221; _builder_version=&#8221;4.4.2&#8243; custom_padding=&#8221;0px|||&#8221; hover_enabled=&#8221;0&#8243; fontsbreadcrumbs_font_size_tablet=&#8221;51&#8243; fontsbreadcrumbs_line_height_tablet=&#8221;2&#8243; fontsseperator_font_size_tablet=&#8221;51&#8243; fontsseperator_line_height_tablet=&#8221;2&#8243; fontsbreadcrumblinks_font_size_tablet=&#8221;51&#8243; fontsbreadcrumblinks_line_height_tablet=&#8221;2&#8243;][\/et_pb_dcsbcm_divi_breadcrumbs_module][et_pb_text _builder_version=&#8221;3.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221;]In <a href=\"https:\/\/kamil-abzalov.com\/en\/tutorials\/javascript-jquery-tuts\/javascript-regular-expressions-part-one\/\" target=\"_blank\" rel=\"noopener noreferrer\">last lesson<\/a> we began to learn regular expressions in javascript. In this lesson we&#8217;ll consider RegExp object functions (functions, which we considered in last lesson, belonged to String object). Also we will consider syntax of regular expressions.<br \/>\n[\/et_pb_text][et_pb_video src=&#8221;https:\/\/www.youtube.com\/watch?v=i7S6y1Ajvhw&#8221; _builder_version=&#8221;3.0.47&#8243;][\/et_pb_video][et_pb_text _builder_version=&#8221;3.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221;]There are considered functions:<\/p>\n<ol>\n<li><strong>test<\/strong> function returns true or false based on the result.<\/li>\n<li><strong>exec<\/strong> is addition for match and search functions.<br \/>\n In the lesson we&#8217;ll consider the case when the flag <strong>g<\/strong> adds to regular expression. In this case you must know some nuances with of this flag.<\/li>\n<\/ol>\n<p>Moreover syntax of regular expressions was considered.<br \/>\n[\/et_pb_text][et_pb_dmb_code_snippet title=&#8221;Code lesson&#8221; code=&#8221;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&#8221; admin_label=&#8221;\u041a\u043e\u0434 \u0443\u0440\u043e\u043a\u0430&#8221; style=&#8221;docco&#8221; linenums=&#8221;on&#8221; usetabwidth=&#8221;on&#8221; tabwidth=&#8221;4&#8243; _builder_version=&#8221;4.4.2&#8243; hover_enabled=&#8221;0&#8243;]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[\/et_pb_dmb_code_snippet][et_pb_comments _builder_version=&#8221;4.4.2&#8243; custom_margin=&#8221;30px||||false|false&#8221; hover_enabled=&#8221;0&#8243;][\/et_pb_comments][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In last lesson we began to learn regular expressions in javascript. In this lesson we&#8217;ll consider RegExp object functions (functions, which we considered in last lesson, belonged to String object). Also we will consider syntax of regular expressions. There are considered functions: test function returns true or false based on the result. exec is addition [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"\u041d\u0430 <a href=\"http:\/\/kamil-abzalov.com\/videouroki\/regexp-in-javascript-part-one\/\" target=\"_blank\">\u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0443\u0440\u043e\u043a\u0435<\/a> \u043c\u044b \u043d\u0430\u0447\u0430\u043b\u0438 \u0438\u0437\u0443\u0447\u0430\u0442\u044c \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0432 javascript. \u0412 \u044d\u0442\u043e\u043c \u0443\u0440\u043e\u043a\u0435 \u043c\u044b \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043e\u0431\u044a\u0435\u043a\u0442\u0430 RegExp (\u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u044b \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u043b\u0438 \u043d\u0430 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0443\u0440\u043e\u043a\u0435, \u043e\u0442\u043d\u043e\u0441\u0438\u043b\u0438\u0441\u044c \u043a \u043e\u0431\u044a\u0435\u043a\u0442\u0443 String). \u0422\u0430\u043a\u0436\u0435 \u0432 \u044d\u0442\u043e\u043c \u0443\u0440\u043e\u043a\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439.<!--more-->\r\n\r\nhttps:\/\/www.youtube.com\/watch?v=i7S6y1Ajvhw\r\n\r\n\u0420\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438:\r\n1. <strong>test<\/strong> - \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true \u0438\u043b\u0438 false \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0438\u0441\u0445\u043e\u0434\u044f \u0438\u0437 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430.\r\n2. <strong>exec<\/strong> - \u043d\u0435\u043a\u043e\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c match \u0438 search. \u0412 \u0443\u0440\u043e\u043a\u0435 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u043b\u0443\u0447\u0430\u0439, \u043a\u043e\u0433\u0434\u0430 \u043a \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u043e\u043c\u0443 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044e \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0444\u043b\u0430\u0433 <strong>g<\/strong>. \u0412 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043d\u0430\u0434\u043e \u0437\u043d\u0430\u0442\u044c \u043d\u044e\u0430\u043d\u0441\u044b \u043f\u043e\u0438\u0441\u043a\u0430 \u043f\u0440\u0438 \u043d\u0430\u043b\u0438\u0447\u0438\u0438 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0433\u043e \u0444\u043b\u0430\u0433\u0430.\r\n\r\n\u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439 (\u043d\u0435 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e). \u041d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u0441\u043c\u043e\u0442\u0440\u0438\u0442\u0435 \u0432 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f\u0445 \u0432 \u043a\u043e\u0436\u0435 \u043d\u0438\u0436\u0435.\r\n\r\n<strong>\u041a\u043e\u0434 \u0443\u0440\u043e\u043a\u0430:<\/strong>\r\n\r\n<pre><code><!DOCTYPE html>\r\n<html lang=\"en\">\r\n<head>\r\n    <meta charset=\"UTF-8\">\r\n    <title>Document<\/title>\r\n<\/head>\r\n<body>\r\n\r\n<script>\r\n\r\n\r\n    var str = \"\u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u043c \u0438\u0437\u0443\u0447\u0430\u0442\u044c \u0440\u043e\u0434 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f\";\r\n    var pattern = \/\u0440\u043e\u0434\/g;\r\n\r\n    console.log(pattern.lastIndex); \/\/ 0\r\n    console.log(pattern.test(str));\r\n    console.log(pattern.lastIndex); \/\/ 4\r\n    console.log(pattern.exec(str));\r\n    console.log(pattern.lastIndex); \/\/ 22\r\n    console.log(pattern.exec(str));\r\n    console.log(pattern.lastIndex); \/\/ 0\r\n\r\n    \/\/ \u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\r\n\r\n    \/*\r\n    ** \\d - \u043b\u044e\u0431\u0430\u044f \u0446\u0438\u0444\u0440\u0430 (digit)\r\n    ** \\s - \u043f\u0440\u043e\u0431\u0435\u043b, \u0442\u0430\u0431\u0443\u043b\u044f\u0446\u0438\u044f (space)\r\n    ** \\w - \u0441\u043b\u043e\u0432\u043e, \u0431\u0443\u043a\u0432\u0430(\u043b\u0430\u0442.) + \"_\" (word)\r\n    ** \\b - \u0433\u0440\u0430\u043d\u0438\u0446\u0430 (HTML5, HTML 5).\r\n    *\/\r\n\r\n    var patternDigit = \/\\d\/g; \/\/ \u043f\u043e\u0438\u0441\u043a \u0446\u0438\u0444\u0440\u044b\r\n    var patternStr = \/HTML\\d\/ \/\/ \u043f\u043e\u0438\u0441\u043a \u0441\u0442\u0440\u043e\u043a\u0438 HTML \u0441 \u0446\u0438\u0444\u0440\u043e\u0439 \u043f\u043e\u0441\u043b\u0435 \u043d\u0435\u0435 (HTML5)\r\n\r\n    \/*\r\n    ** \u0418\u043d\u0432\u0435\u0440\u0442\u043e\u0440\u044b\r\n    ** \\D - \u043d\u0435 \u0446\u0438\u0444\u0440\u0430\r\n    ** \\S - \u043d\u0435 \u043f\u0440\u043e\u0431\u0435\u043b\r\n    ** \\W - \u043d\u0435 \u0441\u043b\u043e\u0432\u043e (\u0441\u044e\u0434\u0430 \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0442 \u0440\u0443\u0441\u0441\u043a\u0438\u0435 \u0431\u0443\u043a\u0432\u044b)\r\n    *\/\r\n\r\n    var patternPoint = \/.\/ \/\/\u043f\u043e\u0438\u0441\u043a \u043b\u044e\u0431\u043e\u0433\u043e \u0441\u0438\u043c\u0432\u043e\u043b\u0430 (\u043a\u0440\u043e\u043c\u0435 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u0441\u0442\u0440\u043e\u043a\u0438 \\n)\r\n\r\n    \/*\r\n    ** \u0421\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u044b - . () \/ \\ \u0438 \u0434\u0440. \r\n    *\/\r\n\r\n    \/*\r\n    ** [] - \u043f\u043e\u0438\u0441\u043a \u0432 \u043d\u0430\u0431\u043e\u0440\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432\r\n    ** [-] - \u043f\u043e\u0438\u0441\u043a \u0432 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 - [0-9]\r\n    ** - ^ - \u043a\u0440\u043e\u043c\u0435\r\n    ** + - \u043e\u0434\u0438\u043d \u0441\u0438\u043c\u0432\u043e\u043b \u0438 \u0431\u043e\u043b\u0435\u0435\r\n    **\/\r\n\r\n\r\n    var nameStr = \"@mail test@mail.ru mail.ru abzalov90@gmail.com\";\r\n\r\n    console.log(nameStr.match(\/[a-zA-Z_0-9]+@[a-z]+\\.\\w+\/g));\r\n<\/script>\r\n\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>","_et_gb_content_width":"","footnotes":""},"categories":[256,219],"tags":[230,229],"class_list":["post-3390","post","type-post","status-publish","format-standard","hentry","category-javascript","category-tutorials","tag-javascript-en","tag-js-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Javascript. Regular expressions. Part two - Kamil Abzalov&#039;s blog<\/title>\n<meta name=\"description\" content=\"In this lesson we&#039;ll consider RegExp object functions. Also we&#039;ll consider some syntax constructions of regular expressions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kamil-abzalov.com\/videouroki\/javascript\/regexp-in-javascript-part-two\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Javascript. Regular expressions. Part two - Kamil Abzalov&#039;s blog\" \/>\n<meta property=\"og:description\" content=\"In this lesson we&#039;ll consider RegExp object functions. Also we&#039;ll consider some syntax constructions of regular expressions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kamil-abzalov.com\/videouroki\/javascript\/regexp-in-javascript-part-two\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0441\u0430\u0439\u0442 \u041a\u0430\u043c\u0438\u043b\u044f \u0410\u0431\u0437\u0430\u043b\u043e\u0432\u0430\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/kamabzalov\" \/>\n<meta property=\"article:published_time\" content=\"2017-08-13T08:42:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-06-14T20:23:18+00:00\" \/>\n<meta name=\"author\" content=\"Kamil&#039; Abzalov\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Javascript. Regular expressions\" \/>\n<meta name=\"twitter:description\" content=\"In this lesson we&#039;ll consider RegExp object functions. Also we&#039;ll consider some syntax constructions of regular expressions.\" \/>\n<meta name=\"twitter:creator\" content=\"@kamabzalov\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kamil&#039; Abzalov\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/kamil-abzalov.com\\\/videouroki\\\/javascript\\\/regexp-in-javascript-part-two\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/kamil-abzalov.com\\\/videouroki\\\/javascript\\\/regexp-in-javascript-part-two\\\/\"},\"author\":{\"name\":\"Kamil' Abzalov\",\"@id\":\"https:\\\/\\\/kamil-abzalov.com\\\/#\\\/schema\\\/person\\\/9c53360f21b83306ba40c2231573c600\"},\"headline\":\"Javascript. Regular expressions. 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