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
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • 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

/
/
mg

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 = "(\\S+)=[\"']?((?:.(?![\"']?\\s+(?:\\S+)=|[>\"']))+.)[\"']?"; final String string = "<article>\n" + " <main>\n" + " <p>##유비벨록스##가52주 신고가를 경신했다.전일 대비2.24%상승한8,680원에 거래되고 있다.</p>\n" + " <img src=\"http://chart.finance.dunamu.com/images/kr/candle/d/A089850.png \" >\n" + " <h2>유비벨록스 연관 테마</h2>\n" + " <div>\n" + " <img align=\"left\" src=\"https://s3-ap-northeast-2.amazonaws.com/stockplus-seoul/themes/images/000/000/260/medium/%EC%8A%A4%EB%A7%88%ED%8A%B8%EC%B9%B4_%EB%B6%80%ED%92%88_%EC%88%98%EC%A0%95.jpg?1459836459\" />\n" + " <div>\n" + " <p>##유니트론텍##,##삼화콘덴서##,##모바일어플라이언스##,##텔레칩스##,##모트렉스##,##만도##,##THE MIDONG##,##유니퀘스트##,##에이스테크##,##캠시스##,##이에스브이##,##유비벨록스##,##팅크웨어##,##픽셀플러스##,##한컴MDS##,##인포뱅크##,##켐트로닉스##,##삼보모터스##,##세종공업##,##엔지스테크널러지##,##앤씨앤##,##라닉스##,##코리아에프티##</p>\n" + " </div>\n" + " </div>\n" + " <p>※ 토픽 데이터 출처: 증권플러스</p>\n" + " <p>유비벨록스의 최근 1주일간 외국인?기관 매매내역을 살펴보면&nbsp;외국인은&nbsp;15,024주를순매수했으며,기관은&nbsp;79주를순매도했다.&nbsp;같은 기간 주가는0.71상승했다.</p>\n" + " <section class=\"table\">\n" + " <p>(단위: 원)</p>\n" + " <div>\n" + " <div>날짜</div>\n" + " <div>주가</div>\n" + " <div>등락률</div>\n" + " </div>\n" + " <div>\n" + " <div>10월 18일</div>\n" + " <div>8,490</div>\n" + " <div>\n" + " +3.54%</div>\n" + " </div>\n" + " <div>\n" + " <div>10월 17일</div>\n" + " <div>8,200</div>\n" + " <div>\n" + " -2.96%</div>\n" + " </div>\n" + " <div>\n" + " <div>10월 16일</div>\n" + " <div>8,450</div>\n" + " <div>\n" + " +0.36%</div>\n" + " </div>\n" + " <div>\n" + " <div>10월 15일</div>\n" + " <div>8,420</div>\n" + " <div>\n" + " -0.12%</div>\n" + " </div>\n" + " <div>\n" + " <div>10월 14일</div>\n" + " <div>8,430</div>\n" + " <div>\n" + " +0.60%</div>\n" + " </div>\n" + " </section>\n" + " </main>\n" + " <p>[이 기사는 조선비즈와 증권플러스(두나무)가 자체 개발한 로봇 기자인 'C-Biz봇'이 실시간으로 작성했습니다.]</p>\n" + "</article>"; 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