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

/
/
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 = "(?s)c0\"><span>(?<Ref>.+?)<\\/.+nowrap;\">(?<PartName>.+?)<\\/.+itemnum(?:new)?\">(?<ItemNumber>.+?)<\\/.+dbl\">(?<Price>.+?)<\\/.+input\" value=\"(?<Quantity>.+?)\""; final String string = "<div class=\"partlistrow\">\n" + " <form action=\"/cart/addoempart\" data-name=\"Valve, Intake\" data-qoh=\"0\" data-sku=\"5NL-12111-00-00\" id=\"add_1_5NL-12111-00-00\" method=\"post\">\n" + " <input type=\"hidden\" id=\"manf_1\" name=\"manf\" value=\"YAM\" />\n" + " <input type=\"hidden\" id=\"assembly_1\" name=\"assembly\" value=\"500449cff8700209bc790600\" />\n" + " <input type=\"hidden\" id=\"sku_1\" name=\"sku\" value=\"5NL-12111-00-00\" />\n" + " <div class=\"c0\"><span>1</span></div>\n" + " <div class=\"c1\">\n" + " <div class=\"c1a\" style=\"width:100%;display:table;table-layout:fixed;\">\n" + " <span style=\"white-space: nowrap;\">Valve, Intake</span>\n" + " </div>\n" + " <div class=\"clear\"></div>\n" + " <div class=\"c1b\">\n" + " \n" + " <a href=\"/oemparts/p/yamaha/5nl-12111-00-00/valve-intake\"><span class=\"itemnumstrike\">5NL-12111-00-00</span></a> <a href=\"/oemparts/p/yamaha/5nl-12111-30-00/valve-intake\"><span class=\"itemnumnew\">5NL-12111-30-00</span></a>\n" + " \n" + " </div>\n" + " <div class=\"clear\"></div>\n" + " \n" + " </div>\n" + " \n" + " <div class=\"c2\"><span class=\"dbl\">$116.99</span></div> \n" + " <div class=\"c3\"><input type=\"text\" id=\"qty_1\" name=\"qty\" class=\"input_1 center required qtyinput\" value=\"1\" /></div>\n" + " <div class=\"c4\"><input type=\"submit\" id=\"addtocart_1_5NL-12111-00-00\" class=\"ui ui-icon-smadd btnpartadd\" value=\"Add\" /></div>\n" + " \n" + " \n" + " <div class=\"clear\"></div>\n" + " </form>\n" + " </div>"; 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