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

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "BindableProperty\\.Create<[a-zA-Z]+,\\s*?([a-zA-Z]+)>\\s*?\\(\\s*?[a-zA-Z]+\\s*=\\>\\s*?[a-zA-Z]+\\.([a-zA-Z]*),\\s*?([a-zA-Z0-9\\s\\(\\)]+(\\.[a-zA-Z]){0,})\\)"; final String string = "\n" + " public static BindableProperty FontStyleProperty =\n" + " BindableProperty.Create<Button, FontStyle>(p => p.FontStyle, FontStyle.Regular);\n\n" + " public static BindableProperty DisabledTextColorProperty =\n" + " BindableProperty.Create<Button, Color>(p => p.DisabledTextColor, Color.Default);\n\n" + " public static BindableProperty DisabledBackgroundColorProperty =\n" + " BindableProperty.Create<Button, Color>(p => p.DisabledBackgroundColor, Color.Default);\n\n" + " public static BindableProperty CornerRadiusProperty =\n" + " BindableProperty.Create<Button, Thickness>(p => p.CornerRadius, 0);\n\n" + " public static BindableProperty ImageHeightProperty =\n" + " BindableProperty.Create<Button, double>(p => p.ImageHeight, new PointSize(20));\n\n" + " public static BindableProperty BackgroundImageProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.BackgroundImage, null);\n\n" + " public static BindableProperty HighlightedBackgroundImageProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.HighlightedBackgroundImage, null);\n\n" + " public static BindableProperty BackgroundImagePatternProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.BackgroundImagePattern, null);\n\n" + " public static BindableProperty HighlightedBackgroundImagePatternProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.HighlightedBackgroundImagePattern, null);\n\n" + " public static BindableProperty ImageLeftProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.ImageLeft, null);\n\n" + " public static BindableProperty SelectedImageLeftProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.SelectedImageLeft, null);\n\n" + " public static BindableProperty ImageTopProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.ImageTop, null);\n\n" + " public static BindableProperty ImageRightProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.ImageRight, null);\n\n" + " public static BindableProperty ImageBottomProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.ImageBottom, null);\n\n" + " public static BindableProperty SelectedImageRightProperty =\n" + " BindableProperty.Create<Button, FileImageSource>(p => p.SelectedImageRight, null);\n\n" + " public static BindableProperty PaddingProperty =\n" + " BindableProperty.Create<Button, Thickness>(p => p.Padding, 0);//DefaultPadding);\n\n" + " public static BindableProperty TextPaddingProperty =\n" + " BindableProperty.Create<Button, Thickness>(p => p.TextPadding, DefaultTextPadding);\n\n" + " public static BindableProperty ImageRightHeightProperty =\n" + " BindableProperty.Create<Button, double>(p => p.ImageRightHeight, Double.NaN);\n\n" + " public static BindableProperty ImageRightWidthProperty =\n" + " BindableProperty.Create<Button, double>(p => p.ImageRightWidth, Double.NaN);\n\n" + " public static BindableProperty ImageLeftHeightProperty =\n" + " BindableProperty.Create<Button, double>(p => p.ImageLeftHeight, Double.NaN);\n\n" + " public static BindableProperty ImageLeftWidthProperty =\n" + " BindableProperty.Create<Button, double>(p => p.ImageLeftWidth, Double.NaN);\n\n" + " public static BindableProperty TiltEnabledProperty =\n" + " BindableProperty.Create<Button, bool>(p => p.TiltEnabled, false);\n\n" + " public static BindableProperty CenterImageProperty =\n" + " BindableProperty.Create<Button, bool>(p => p.CenterImage, false);\n\n" + " public static BindableProperty RefitTextEnabledProperty =\n" + " BindableProperty.Create<Button, bool>(p => p.RefitTextEnabled, false);\n\n" + " public static BindableProperty MinimumFontSizeProperty =\n" + " BindableProperty.Create<Button, double>(p => p.MinimumFontSize, new PointSize(8));\n\n" + " public static BindableProperty TextLineBreakModeProperty =\n" + " BindableProperty.Create<Button, LineBreakMode>(p => p.TextLineBreakMode, LineBreakMode.MiddleTruncation);\n\n" + " public static BindableProperty XAlignProperty =\n" + " BindableProperty.Create<Button, Xamarin.Forms.TextAlignment>(p => p.XAlign, Xamarin.Forms.TextAlignment.Center);\n\n" + " public static BindableProperty YAlignProperty =\n" + " BindableProperty.Create<Button, Xamarin.Forms.TextAlignment>(p => p.YAlign, Xamarin.Forms.TextAlignment.Center);\n\n\n" + " public static BindableProperty BorderlessProperty =\n" + " BindableProperty.Create<Button, bool>(p => p.Borderless, false);"; 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