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
Processing...

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 = "^(?:[[:^print:][:cntrl:]\\s]|GIF89.{0,20})*<\\?(?:php)?\\s*[[:punct:]\\s]+scama\\s*spotify\\s*v1[\\s\\#]+facebook:\\s*fb\\.com\\/amyr\\.gov\\.tn+[[:punct:]\\s]+.{0,200}?want\\s*to\\s*save\\s*rzlt\\s*.html(?:[^>]+>\\s*)?$"; final String string = "<?php \n" + "/*\n" + " $$$$$$\\ $$$$$$$\\ $$$$$$\\ $$\\ $$\\ $$$$$$$$\\ $$\\ $$\\ \n" + "$$ __$$\\ $$ __$$\\ $$ __$$\\ $$$\\ $$ | \\__$$ __|$$$\\ $$ |\n" + "$$ / $$ |$$ | $$ |$$ / $$ |$$$$\\ $$ | $$ | $$$$\\ $$ |\n" + "$$$$$$$$ |$$$$$$$ |$$ | $$ |$$ $$\\$$ |$$$$$$\\ $$ | $$ $$\\$$ |\n" + "$$ __$$ |$$ __$$< $$ | $$ |$$ \\$$$$ |\\______|$$ | $$ \\$$$$ |\n" + "$$ | $$ |$$ | $$ |$$ | $$ |$$ |\\$$$ | $$ | $$ |\\$$$ |\n" + "$$ | $$ |$$ | $$ | $$$$$$ |$$ | \\$$ | $$ | $$ | \\$$ |\n" + "\\__| \\__|\\__| \\__| \\______/ \\__| \\__| \\__| \\__| \\__|\n" + " \n" + "#==========================================#\n" + "# Scama Spotify v1 #\n" + "# facebook: fb.com/amyr.gov.tn #\n" + "#==========================================#\n\n" + " $$$$$$\\ $$$$$$\\ $$\\ $$$$$$\\ \n" + "$$ __$$\\ $$$ __$$\\ $$$$ | $$ __$$\\ \n" + "\\__/ $$ |$$$$\\ $$ |\\_$$ | $$ / $$ |\n" + " $$$$$$ |$$\\$$\\$$ | $$ | \\$$$$$$$ |\n" + "$$ ____/ $$ \\$$$$ | $$ | \\____$$ |\n" + "$$ | $$ |\\$$$ | $$ | $$\\ $$ |\n" + "$$$$$$$$\\ \\$$$$$$ /$$$$$$\\\\$$$$$$ |\n" + "\\________| \\______/ \\______|\\______/ \n" + "*/ \n" + "$aronxname = \"ARON-TN\";//<== Your Name \n" + "$aronxmail = \"moncompteperso12x0@gmail.com\"; //<== Your Email\n" + "$aronxsave = \"no\";//<== Write \"On\" if U want To Save RZlt .html !\n" + "?>\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