Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Match everything enclosed
    (?:...)
  • Capture everything enclosed
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
gm

Test String

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(?ix)(?>[^\\S ]\\s*|\\s{2,})(?=(?:(?:[^<]++|<(?!\\/?(?:textarea|pre)\\b))*+)(?:<(?>textarea|pre)\\b|\\z))"; final String string = "<body>\n" + " <section id=\"fd-container\" class=\"bgFFF celupSection\">\n" + " <div class=\"container\">\n" + " <div class=\"row\">\n" + " <div id=\"primary\" class=\"col-md-9 content-area\">\n" + " <main id=\"main\" role=\"main\">\n" + " <div class=\"table-info\"><span class=\"info\">테이블번호: 13</span></div>\n" + " <article id=\"post-445\" class=\"post-content post-445 company type-company status-publish has-post-thumbnail hentry category-32 wpautop\">\n" + " <header class=\"entry-header\"><span class=\"screen-reader-text\">할머니잔치국수</span>\n" + " <h1 class=\"entry-title\">할머니잔치국수</h1>\n" + " </header>\n" + " <div class=\"entry-content\">\n" + " <div class=\"vc_row wpb_row vc_row-fluid\">\n" + " <div class=\"wpb_column vc_column_container vc_col-sm-12\">\n" + " <div class=\"vc_column-inner\">\n" + " <div class=\"wpb_wrapper\">\n" + " <div class=\"wpb_text_column wpb_content_element\">\n" + " <div class=\"wpb_wrapper\">\n" + " <div class=\"fd-foodDetailProBox style1\">\n" + " <ul class=\"fd-foodDetailProList\">\n" + " <li class=\"fd-foodDetailPro fd-flex\">\n" + " <div class=\"fd-foodDetailProLeft fd-flex\">\n" + " <div class=\"fd-foodProLeftTitleBox\">\n" + " <div class=\"fd-foodProImg\"><img width=\"66\" height=\"66\" src=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-01-100x100.jpg\" alt=\"\" srcset=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-01-100x100.jpg 100w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-01-150x150.jpg 150w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-01-60x60.jpg 60w\" sizes=\"(max-width: 66px) 100vw, 66px\" class=\"attachment-66x66 size-66x66\" /></div>\n" + " </div>\n" + " <div class=\"fd-foodProLeftContentBox\">\n" + " <div class=\"fd-foodProSubTitle\">비빔국수</div>\n" + " <div class=\"fd-foodProLeftContent\">최상의 마법 비빔국수</div>\n" + " <div class=\"fd-foodProLeftContent\">영양정보 칼로리 313kcal</div>\n" + " </div>\n" + " </div>\n" + " <div class=\"fd-foodDetailProRight fd-flex fd-align-center fd-justy-center\">\n" + " <div class=\"fd-foodDetailProPrice\">4,900</div>\n" + " </div>\n" + " </li>\n" + " <li class=\"fd-foodDetailPro fd-flex\">\n" + " <div class=\"fd-foodDetailProLeft fd-flex\">\n" + " <div class=\"fd-foodProLeftTitleBox\">\n" + " <div class=\"fd-foodProImg\"><img width=\"66\" height=\"66\" src=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-02-100x100.jpg\" alt=\"\" srcset=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-02-100x100.jpg 100w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-02-150x150.jpg 150w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-02-60x60.jpg 60w\" sizes=\"(max-width: 66px) 100vw, 66px\" class=\"attachment-66x66 size-66x66\" /></div>\n" + " </div>\n" + " <div class=\"fd-foodProLeftContentBox\">\n" + " <div class=\"fd-foodProSubTitle\">잔치국수</div>\n" + " <div class=\"fd-foodProLeftContent\">할머니의 정성이 잔득 담긴 잔치국수</div>\n" + " <div class=\"fd-foodProLeftContent\">영양정보 칼로리 280kcal</div>\n" + " </div>\n" + " </div>\n" + " <div class=\"fd-foodDetailProRight fd-flex fd-align-center fd-justy-center\">\n" + " <div class=\"fd-foodDetailProPrice\">4,900</div>\n" + " </div>\n" + " </li>\n" + " <li class=\"fd-foodDetailPro fd-flex\">\n" + " <div class=\"fd-foodDetailProLeft fd-flex\">\n" + " <div class=\"fd-foodProLeftTitleBox\">\n" + " <div class=\"fd-foodProImg\"><img width=\"66\" height=\"66\" src=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-03-100x100.jpg\" alt=\"\" srcset=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-03-100x100.jpg 100w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-03-150x150.jpg 150w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-03-60x60.jpg 60w\" sizes=\"(max-width: 66px) 100vw, 66px\" class=\"attachment-66x66 size-66x66\" /></div>\n" + " </div>\n" + " <div class=\"fd-foodProLeftContentBox\">\n" + " <div class=\"fd-foodProSubTitle\">콩국수</div>\n" + " <div class=\"fd-foodProLeftContent\">직접 빚어 만든 콩국수</div>\n" + " <div class=\"fd-foodProLeftContent\">영양정보 칼로리 354kcal</div>\n" + " </div>\n" + " </div>\n" + " <div class=\"fd-foodDetailProRight fd-flex fd-align-center fd-justy-center\">\n" + " <div class=\"fd-foodDetailProPrice\">5,900</div>\n" + " </div>\n" + " </li>\n" + " <li class=\"fd-foodDetailPro fd-flex\">\n" + " <div class=\"fd-foodDetailProLeft fd-flex\">\n" + " <div class=\"fd-foodProLeftTitleBox\">\n" + " <div class=\"fd-foodProImg\"><img width=\"66\" height=\"66\" src=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-05-100x100.jpg\" alt=\"\" srcset=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-05-100x100.jpg 100w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-05-150x150.jpg 150w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-05-60x60.jpg 60w\" sizes=\"(max-width: 66px) 100vw, 66px\" class=\"attachment-66x66 size-66x66\" /></div>\n" + " </div>\n" + " <div class=\"fd-foodProLeftContentBox\">\n" + " <div class=\"fd-foodProSubTitle\">도토리묵</div>\n" + " <div class=\"fd-foodProLeftContent\">깻잎과 도토리묵 환상 컴비네이션</div>\n" + " <div class=\"fd-foodProLeftContent\">영양정보 칼로리 423kcal</div>\n" + " </div>\n" + " </div>\n" + " <div class=\"fd-foodDetailProRight fd-flex fd-align-center fd-justy-center\">\n" + " <div class=\"fd-foodDetailProPrice\">8,900</div>\n" + " </div>\n" + " </li>\n" + " <li class=\"fd-foodDetailPro fd-flex\">\n" + " <div class=\"fd-foodDetailProLeft fd-flex\">\n" + " <div class=\"fd-foodProLeftTitleBox\">\n" + " <div class=\"fd-foodProImg\"><img width=\"66\" height=\"66\" src=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-04-100x100.jpg\" alt=\"\" srcset=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-04-100x100.jpg 100w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-04-150x150.jpg 150w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-04-60x60.jpg 60w\" sizes=\"(max-width: 66px) 100vw, 66px\" class=\"attachment-66x66 size-66x66\" /></div>\n" + " </div>\n" + " <div class=\"fd-foodProLeftContentBox\">\n" + " <div class=\"fd-foodProSubTitle\">물만두</div>\n" + " <div class=\"fd-foodProLeftContent\">한입에 속 식감이 살아 있는 물만두</div>\n" + " <div class=\"fd-foodProLeftContent\">영양정보 칼로리 154kcal</div>\n" + " </div>\n" + " </div>\n" + " <div class=\"fd-foodDetailProRight fd-flex fd-align-center fd-justy-center\">\n" + " <div class=\"fd-foodDetailProPrice\">6,900</div>\n" + " </div>\n" + " </li>\n" + " <li class=\"fd-foodDetailPro fd-flex\">\n" + " <div class=\"fd-foodDetailProLeft fd-flex\">\n" + " <div class=\"fd-foodProLeftTitleBox\">\n" + " <div class=\"fd-foodProImg\"><img width=\"66\" height=\"66\" src=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-06-100x100.jpg\" alt=\"\" srcset=\"http://webpos.wper.kr/wp-content/uploads/2018/09/1000-06-100x100.jpg 100w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-06-150x150.jpg 150w, http://webpos.wper.kr/wp-content/uploads/2018/09/1000-06-60x60.jpg 60w\" sizes=\"(max-width: 66px) 100vw, 66px\" class=\"attachment-66x66 size-66x66\" /></div>\n" + " </div>\n" + " <div class=\"fd-foodProLeftContentBox\">\n" + " <div class=\"fd-foodProSubTitle\">파전</div>\n" + " <div class=\"fd-foodProLeftContent\">군침이 감도는 해물파전</div>\n" + " <div class=\"fd-foodProLeftContent\">영양정보 칼로리 654kcal</div>\n" + " </div>\n" + " </div>\n" + " <div class=\"fd-foodDetailProRight fd-flex fd-align-center fd-justy-center\">\n" + " <div class=\"fd-foodDetailProPrice\">13,900</div>\n" + " </div>\n" + " </li>\n" + " </ul>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </article>\n" + " </main>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </section>\n" + "</body>"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html