{"id":112,"date":"2022-12-02T19:39:48","date_gmt":"2022-12-02T19:39:48","guid":{"rendered":"https:\/\/jassweb.com\/new22\/solved-extract-two-numbers-from-a-string-with-the-java-matcher-class\/"},"modified":"2022-12-02T19:39:48","modified_gmt":"2022-12-02T19:39:48","slug":"solved-extract-two-numbers-from-a-string-with-the-java-matcher-class-2","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-extract-two-numbers-from-a-string-with-the-java-matcher-class-2\/","title":{"rendered":"[Solved] Extract two numbers from a String with the Java Matcher class"},"content":{"rendered":"<h2> Introduction <\/h2\/>\n[ad_1]<\/p>\n<p>The Java Matcher class is a powerful tool for extracting data from strings. It can be used to extract two numbers from a string, which can be useful for a variety of applications. This tutorial will explain how to use the Matcher class to extract two numbers from a string. It will also provide examples of how to use the Matcher class to extract two numbers from a string. Finally, it will provide some tips and tricks for getting the most out of the Matcher class.<\/p>\n<h2> Solution<\/h2>\n<p><\/p>\n<p>import java.util.regex.Matcher;<br \/>\nimport java.util.regex.Pattern;<\/p>\n<p>public class ExtractNumbers {<br \/>\n    public static void main(String[] args) {<br \/>\n        String input = &#8220;The numbers are 12 and 45&#8221;;<br \/>\n        Pattern pattern = Pattern.compile(&#8220;\\\\d+&#8221;);<br \/>\n        Matcher matcher = pattern.matcher(input);<br \/>\n        while (matcher.find()) {<br \/>\n            System.out.println(matcher.group());<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<p><\/p>\n<div itemprop=\"text\">\n<p>To use <code>Matcher<\/code> you start by compiling a <code>Pattern<\/code>, then you call <code>matcher(String)<\/code> and then you see if it matches. Finally, you can parse the values. Something like,<\/p>\n<pre><code>String str = \"views: 120 upvotes: 540\";\nPattern p = Pattern.compile(\"views:\\\\s*(\\\\d+)\\\\s+upvotes:\\\\s*(\\\\d+)\",\n            Pattern.CASE_INSENSITIVE);\nMatcher m = p.matcher(str);\nif (m.matches()) {\n    int views = Integer.parseInt(m.group(1));\n    int upvotes = Integer.parseInt(m.group(2));\n    System.out.printf(\"%d %d%n\", views, upvotes);\n}\n<\/code><\/pre>\n<p>Output is<\/p>\n<p>\n120 540<\/p>\n<\/div>\n<p>[ad_2]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction [ad_1] The Java Matcher class is a powerful tool for extracting data from strings. It can be used to extract two numbers from a string, which can be useful for a variety of applications. This tutorial will explain how to use the Matcher class to extract two numbers from a string. It will also &#8230; <a title=\"[Solved] Extract two numbers from a String with the Java Matcher class\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-extract-two-numbers-from-a-string-with-the-java-matcher-class-2\/\" aria-label=\"More on [Solved] Extract two numbers from a String with the Java Matcher class\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[323,347],"class_list":["post-112","post","type-post","status-publish","format-standard","hentry","category-solved","tag-java","tag-regex"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Extract two numbers from a String with the Java Matcher class - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-extract-two-numbers-from-a-string-with-the-java-matcher-class-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Extract two numbers from a String with the Java Matcher class - JassWeb\" \/>\n<meta property=\"og:description\" content=\"Introduction [ad_1] The Java Matcher class is a powerful tool for extracting data from strings. 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