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

/
/
gis

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 = "[a-z]+([\\n].*?<\\/div>[\\n ]+<div class=\"large-3 small-3 columns\">[\\n ]+)[a-z]+"; final String string = "\n" + "<div class=\"row\">\n" + " <div class=\"large-3 columns displayoffer-centered\">\n" + " <small>1 &#10799; <img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"> &larr; 1500 &#10799; <img src=\"/static/currency/Orb_of_Alteration.png\" class=\"currencyimg\"></small>\n" + " </div>\n" + " <div class=\"large-6 columns\">\n" + " <div class=\"displayoffer-primary displayoffer-centered\">\n" + " <div class=\"row\">\n" + " <div class=\"large-3 small-3 columns\">\n" + " exalted\n" + " </div>\n" + " <div class=\"large-6 small-6 columns displayoffer-text\">\n" + " <div class=\"displayoffer-left\"><img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"></div>\n" + " <div class=\"displayoffer-right\"><img src=\"/static/currency/Orb_of_Alteration.png\" class=\"currencyimg\"></div>\n" + " <div class=\"displayoffer-middle\">1 &lArr; 1500</div>\n" + " </div>\n" + " <div class=\"large-3 small-3 columns\">\n" + " alteration\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " <div class=\"large-3 columns displayoffer-centered\">\n" + " <small>1 &#10799; <img src=\"/static/currency/Orb_of_Alteration.png\" class=\"currencyimg\"> &rarr; 0.0007 &#10799; <img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"></small>\n" + " </div>\n" + "</div>\n" + "<div class=\"row\">\n" + " <div class=\"large-12 columns\">\n" + " <div class=\"displayoffer-bottom\">IGN: MoreSpellDamage <span class=\"right\"><a href=\"#\" onclick=\"contact_form(this); return false;\">Contact seller</a></span></div>\n" + " </div>\n" + "</div>\n" + "</div>\n\n" + " <div class=\"displayoffer\" data-username=\"joshxx\" data-sellcurrency=\"6\" data-sellvalue=\"1.0\" data-buycurrency=\"7\" data-buyvalue=\"1650.0\" data-ign=\"joshhhz\">\n" + "<div class=\"row\">\n" + " <div class=\"large-3 columns displayoffer-centered\">\n" + " <small>1 &#10799; <img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"> &larr; 1650 &#10799; <img src=\"/static/currency/Chromatic_Orb.png\" class=\"currencyimg\"></small>\n" + " </div>\n" + " <div class=\"large-6 columns\">\n" + " <div class=\"displayoffer-primary displayoffer-centered\">\n" + " <div class=\"row\">\n" + " <div class=\"large-3 small-3 columns\">\n" + " exalted\n" + " </div>\n" + " <div class=\"large-6 small-6 columns displayoffer-text\">\n" + " <div class=\"displayoffer-left\"><img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"></div>\n" + " <div class=\"displayoffer-right\"><img src=\"/static/currency/Chromatic_Orb.png\" class=\"currencyimg\"></div>\n" + " <div class=\"displayoffer-middle\">1 &lArr; 1650</div>\n" + " </div>\n" + " <div class=\"large-3 small-3 columns\">\n" + " chrome\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " <div class=\"large-3 columns displayoffer-centered\">\n" + " <small>1 &#10799; <img src=\"/static/currency/Chromatic_Orb.png\" class=\"currencyimg\"> &rarr; 0.0006 &#10799; <img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"></small>\n" + " </div>\n" + "</div>\n" + "<div class=\"row\">\n" + " <div class=\"large-12 columns\">\n" + " <div class=\"displayoffer-bottom\"><span class=\"success label\">online</span> · IGN: joshhhz <span class=\"right\"><a href=\"#\" onclick=\"contact_form(this); return false;\">Contact seller</a></span></div>\n" + " </div>\n" + "</div>\n" + "</div>\n\n" + " <div class=\"displayoffer\" data-username=\"deadlylegolas\" data-sellcurrency=\"6\" data-sellvalue=\"1.0\" data-buycurrency=\"7\" data-buyvalue=\"1700.0\" data-ign=\"LegoSaiyanGod\">\n" + "<div class=\"row\">\n" + " <div class=\"large-3 columns displayoffer-centered\">\n" + " <small>1 &#10799; <img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"> &larr; 1700 &#10799; <img src=\"/static/currency/Chromatic_Orb.png\" class=\"currencyimg\"></small>\n" + " </div>\n" + " <div class=\"large-6 columns\">\n" + " <div class=\"displayoffer-primary displayoffer-centered\">\n" + " <div class=\"row\">\n" + " <div class=\"large-3 small-3 columns\">\n" + " exalted\n" + " </div>\n" + " <div class=\"large-6 small-6 columns displayoffer-text\">\n" + " <div class=\"displayoffer-left\"><img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"></div>\n" + " <div class=\"displayoffer-right\"><img src=\"/static/currency/Chromatic_Orb.png\" class=\"currencyimg\"></div>\n" + " <div class=\"displayoffer-middle\">1 &lArr; 1700</div>\n" + " </div>\n" + " <div class=\"large-3 small-3 columns\">\n" + " chrome\n" + " </div>\n" + " </div>\n" + " </div>\n" + " </div>\n" + " <div class=\"large-3 columns displayoffer-centered\">\n" + " <small>1 &#10799; <img src=\"/static/currency/Chromatic_Orb.png\" class=\"currencyimg\"> &rarr; 0.0006 &#10799; <img src=\"/static/currency/Exalted_Orb.png\" class=\"currencyimg\"></small>\n" + " </div>\n"; final Pattern pattern = Pattern.compile(regex, Pattern.CASE_INSENSITIVE | Pattern.DOTALL); 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