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"
"

Test String

Code Generator

Language

Generated Code

$re = '/(?<=application: label=\')(.+?)(?=\')/'; $str = 'package: name=\'com.ghisler.android.TotalCommander\' versionCode=\'160\' versionName=\'2.72\' platformBuildVersionName=\'6.0-2166767\' install-location:\'auto\' sdkVersion:\'3\' targetSdkVersion:\'23\' uses-permission: name=\'android.permission.WRITE_EXTERNAL_STORAGE\' uses-permission: name=\'android.permission.BLUETOOTH_ADMIN\' uses-permission: name=\'android.permission.BLUETOOTH\' uses-permission: name=\'android.permission.INTERNET\' uses-permission: name=\'android.permission.ACCESS_NETWORK_STATE\' uses-permission: name=\'android.permission.WAKE_LOCK\' uses-permission: name=\'android.permission.ACCESS_SUPERUSER\' uses-permission: name=\'com.android.launcher.permission.INSTALL_SHORTCUT\' uses-permission: name=\'com.ghisler.tcplugins.restricted\' application-label:\'Total Commander\' application-icon-120:\'res/drawable-ldpi-v4/icon.png\' application-icon-160:\'res/drawable-v11/icon.png\' application-icon-240:\'res/drawable-hdpi-v11/icon.png\' application-icon-320:\'res/drawable-xhdpi-v11/icon.png\' application-icon-480:\'res/drawable-xxhdpi-v11/icon.png\' application-icon-640:\'res/drawable-xxhdpi-v11/icon.png\' application: label=\'Total Commander\' icon=\'res/drawable-v11/icon.png\' launchable-activity: name=\'com.ghisler.android.TotalCommander.TotalCommander\' label=\'Total Commander\' icon=\'\' leanback-launchable-activity: name=\'com.ghisler.android.TotalCommander.TotalCommander\' label=\'Total Commander\' icon=\'\' banner=\'\' uses-permission: name=\'android.permission.READ_EXTERNAL_STORAGE\' uses-implied-permission: name=\'android.permission.READ_EXTERNAL_STORAGE\' reason=\'requested WRITE_EXTERNAL_STORAGE\' feature-group: label=\'\' uses-feature-not-required: name=\'android.hardware.bluetooth\' uses-feature-not-required: name=\'android.hardware.touchscreen\' main other-activities other-receivers other-services supports-screens: \'small\' \'normal\' \'large\' \'xlarge\' supports-any-density: \'true\' locales: \'--_--\' \'da\' \'ja\' \'id\' \'be\' \'de\' \'he\' \'bg\' \'vi\' \'sk\' \'uk\' \'el\' \'nl\' \'pl\' \'sl\' \'ko\' \'ro\' \'fr\' \'hr\' \'sr\' \'tr\' \'cs\' \'es\' \'it\' \'lt\' \'hu\' \'ru\' \'sv\' \'iw\' \'zh-CN\' \'pt-BR\' \'pt-PT\' \'zh-TW\' densities: \'120\' \'160\' \'240\' \'320\' \'480\' \'640\' native-code: \'armeabi\' \'mips\' \'x86\' '; preg_match($re, $str, $matches, PREG_OFFSET_CAPTURE, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php