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

/
/
g

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]+)"; final String string = "51.23%\n" + "17.84%\n" + "72.31%\n" + "59.31%\n" + "64.48%\n" + "0.19%\n" + "1.13%\n" + "0.00%\n" + "0.00%\n" + "32.18%\n" + "0.00%\n" + "11.68%\n" + "35.60%\n" + "10.36%\n" + "0.00%\n" + "50.99%\n" + "84.03%\n" + "2.96%\n" + "47.17%\n" + "57.53%\n" + "> 90%\n" + "64.49%\n" + "59.04%\n" + "85.09%\n" + "74.25%\n" + "0.00%\n" + "0.00%\n" + "85.00%\n" + "16.13%\n" + "35.09%\n" + "12.14%\n" + "0.00%\n" + "54.82%\n" + "86.50%\n" + "0.00%\n" + "77.30%\n" + "0.15%\n" + "46.89%\n" + "89.56%\n" + "34.88%\n\n" + "0.00%\n\n\n\n" + "4.66%\n" + "0.00%\n" + "0.00%\n" + "0.00%\n" + "24.49%\n" + "28.44%\n\n" + "0.00%\n" + "0.00%\n" + "2.17%\n" + "41.77%\n" + "11.59%\n" + "0.00%\n" + "26.14%\n\n\n" + "0.90%\n" + "> 90%\n" + "73.00%\n" + "15.18%\n" + "0.00%\n" + "0.00%\n" + "7.41%\n" + "> 90%\n" + "> 90%\n" + "63.89%\n" + "89.58%\n" + "75.06%\n" + "85.52%\n" + "59.10%\n" + "38.19%\n" + "44.98%\n" + "83.05%\n" + "35.33%\n" + "62.60%\n" + "> 90%\n" + "> 90%\n" + "15.05%\n" + "0.00%\n" + "> 90%\n" + "15.21%\n" + "0.00%\n" + "7.26%\n" + "0.00%\n" + "0.00%"; final Pattern pattern = Pattern.compile(regex); 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