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

r"
"
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 = "src=\\\"(\\S+)?\\\".+\\s.+\\s.+href=(\\S+).+ember-view\\\">\\s+(\\S+)?(?:\\s(\\S+))\\s(\\S+)\\s+.+\\s+.+\\s.+\\s\\S+\\s.+\\s.+clamp__line.+?(?=>)\\W(\\s+.+(?=<!)|.+(?=<\\/span>))"; final String string = "<section id=\"ember381\" class=\"artdeco-card artdeco-card--with-hover ember-view\"><!---->\n" + " <div class=\"org-people-profile-card__profile-info\">\n" + "<artdeco-entity-lockup stacked=\"center\" size=\"5\" id=\"ember382\" class=\"artdeco-entity-lockup--stacked-center artdeco-entity-lockup--size-5 artdeco-entity-lockup ember-view\"><artdeco-entity-lockup-image id=\"ember383\" class=\"artdeco-entity-lockup__image artdeco-entity-lockup__image--type-circle ember-view\" type=\"circle\"><a data-control-name=\"people_profile_card_image_link\" href=\"/in/omar-bakali-85464741/\" id=\"ember384\" class=\"ember-view\"> <img class=\"lazy-image loaded\" alt=\"Omar’s profile picture\" src=\"https://media.licdn.com/dms/image/C4D03AQFLLRD0oaAAPw/profile-displayphoto-shrink_100_100/0?e=1565827200&amp;v=beta&amp;t=1FUl_3ALdjwdoHj0Oqq1lt5Es-0SPekm1zt-G_iVH3g\" width=\"72\" height=\"72\">\n" + "</a>\n" + "</artdeco-entity-lockup-image><artdeco-entity-lockup-content id=\"ember385\" class=\"artdeco-entity-lockup__content ember-view\"><artdeco-entity-lockup-title id=\"ember386\" class=\"artdeco-entity-lockup__title ember-view\"><a data-control-name=\"people_profile_card_name_link\" href=\"/in/omar-bakali-85464741/\" id=\"ember387\" class=\"link-without-visited-state ember-view\"> <div id=\"ember389\" class=\"org-people-profile-card__profile-title t-black lt-line-clamp lt-line-clamp--single-line ember-view\"> Omar Bakali\n\n" + "<!----></div>\n\n" + "</a> \n" + "</artdeco-entity-lockup-title> <artdeco-entity-lockup-badge id=\"ember390\" class=\"artdeco-entity-lockup__badge ember-view\"> <span class=\"artdeco-entity-lockup__degree \">·&nbsp;1st</span>\n" + "<!----><!----></artdeco-entity-lockup-badge>\n" + "<artdeco-entity-lockup-subtitle id=\"ember391\" class=\"artdeco-entity-lockup__subtitle ember-view\"> <div class=\"t-14 t-black--light t-normal\">\n" + " <div id=\"ember393\" class=\"ember-view\"> <span class=\"lt-line-clamp__line lt-line-clamp__line--last\">\n" + " Founder &amp; CEO @ Ayni Widny<!----></span>\n\n" + "<!----><span class=\"lt-line-clamp__ellipsis lt-line-clamp__ellipsis--dummy\">...</span></div>\n\n" + " </div>\n" + "</artdeco-entity-lockup-subtitle><artdeco-entity-lockup-caption id=\"ember394\" class=\"artdeco-entity-lockup__caption ember-view\"> <div class=\"truncate\">\n" + " ’14 Management\n" + " </div>\n" + "</artdeco-entity-lockup-caption></artdeco-entity-lockup-content>\n" + "</artdeco-entity-lockup> <span>\n" + " <img class=\"lazy-image round-image EntityPhoto-circle-1 v-align-middle loaded\" alt=\"lionel’s profile picture\" src=\"https://media.licdn.com/dms/image/C4E03AQH3TWM5bEiO1g/profile-displayphoto-shrink_100_100/0?e=1565827200&amp;v=beta&amp;t=r1QXqaWKGQI3PAbSYD2EKibJLV2LyDNrWLJhiuUPGx8\" width=\"72\" height=\"72\">\n" + " <span class=\"t-12 t-black t-bold\">\n" + " 26 shared connections\n" + " </span>\n" + " </span>\n" + " </div>\n\n" + " <footer class=\"artdeco-card__actions\">\n" + "<a data-control-name=\"people_profile_card_message_link\" target=\"_blank\" href=\"/messaging/compose/?connId=ACoAAAjQ0AABtNb896iwtKva5joQFIxDhxGBfAQ\" id=\"ember395\" class=\"artdeco-button artdeco-button--tertiary artdeco-button--fluid artdeco-button--3 ember-view\"> <span class=\"artdeco-button__text\">\n" + " Message\n" + " </span>\n" + "</a> </footer>\n" + "</section>\n\n" + "<section id=\"ember364\" class=\"artdeco-card artdeco-card--with-hover ember-view\"><!---->\n" + " <div class=\"org-people-profile-card__profile-info\">\n" + "<artdeco-entity-lockup stacked=\"center\" size=\"5\" id=\"ember365\" class=\"artdeco-entity-lockup--stacked-center artdeco-entity-lockup--size-5 artdeco-entity-lockup ember-view\"><artdeco-entity-lockup-image id=\"ember366\" class=\"artdeco-entity-lockup__image artdeco-entity-lockup__image--type-circle ember-view\" type=\"circle\"><a data-control-name=\"people_profile_card_image_link\" href=\"/in/clementinenannan/\" id=\"ember367\" class=\"ember-view\"> <img class=\"lazy-image loaded\" alt=\"Clémentine’s profile picture\" src=\"https://media.licdn.com/dms/image/C5603AQHR1X88QCWsnw/profile-displayphoto-shrink_100_100/0?e=1565827200&amp;v=beta&amp;t=fwXOyrczSApTvcE6A1gP-QZLIVMJ79A6L0d1dwdQ5CU\" width=\"72\" height=\"72\">\n" + "</a>\n" + "</artdeco-entity-lockup-image><artdeco-entity-lockup-content id=\"ember368\" class=\"artdeco-entity-lockup__content ember-view\"><artdeco-entity-lockup-title id=\"ember369\" class=\"artdeco-entity-lockup__title ember-view\"><a data-control-name=\"people_profile_card_name_link\" href=\"/in/clementinenannan/\" id=\"ember370\" class=\"link-without-visited-state ember-view\"> <div id=\"ember372\" class=\"org-people-profile-card__profile-title t-black lt-line-clamp lt-line-clamp--single-line ember-view\"> Clémentine lucie Nannan\n\n" + "<!----></div>\n\n" + "</a> \n" + "</artdeco-entity-lockup-title> <artdeco-entity-lockup-badge id=\"ember373\" class=\"artdeco-entity-lockup__badge ember-view\"> <span class=\"artdeco-entity-lockup__degree \">·&nbsp;1st</span>\n" + "<!----><!----></artdeco-entity-lockup-badge>\n" + "<artdeco-entity-lockup-subtitle id=\"ember374\" class=\"artdeco-entity-lockup__subtitle ember-view\"> <div class=\"t-14 t-black--light t-normal\">\n" + " <div id=\"ember376\" class=\"ember-view\"> <span class=\"lt-line-clamp__line\">Marketing Management and</span>\n" + " <span class=\"lt-line-clamp__line lt-line-clamp__line--last\">\n" + " Digital student at ESSEC - F<span class=\"lt-line-clamp__ellipsis\">...\n" + "<!----> </span></span>\n\n" + "<!----><span class=\"lt-line-clamp__ellipsis lt-line-clamp__ellipsis--dummy\">...</span></div>\n\n" + " </div>\n" + "</artdeco-entity-lockup-subtitle><artdeco-entity-lockup-caption id=\"ember377\" class=\"artdeco-entity-lockup__caption ember-view\"> <div class=\"truncate\">\n" + " ’18 Marketing\n" + " </div>\n" + "</artdeco-entity-lockup-caption></artdeco-entity-lockup-content>\n" + "</artdeco-entity-lockup> <span>\n" + " <img class=\"lazy-image round-image EntityPhoto-circle-1 v-align-middle loaded\" alt=\"Vincent’s profile picture\" src=\"https://media.licdn.com/dms/image/C4D03AQFq5VjBd4AgZQ/profile-displayphoto-shrink_100_100/0?e=1565827200&amp;v=beta&amp;t=Tt7tGo5BV12fhDTa0mMvj91f0WsArricQ0WpZXjSbKQ\" width=\"72\" height=\"72\">\n" + " <span class=\"t-12 t-black t-bold\">\n" + " 24 shared connections\n" + " </span>\n" + " </span>\n" + " </div>\n\n" + " <footer class=\"artdeco-card__actions\">\n" + "<a data-control-name=\"people_profile_card_message_link\" target=\"_blank\" href=\"/messaging/compose/?connId=ACoAABMxF04BkeFqBF-OCOXN4MA1lD7R14Fw4zQ\" id=\"ember378\" class=\"artdeco-button artdeco-button--tertiary artdeco-button--fluid artdeco-button--3 ember-view\"> <span class=\"artdeco-button__text\">\n" + " Message\n" + " </span>\n" + "</a> </footer>\n" + "</section>"; 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