Regular Expressions 101

Explanation

Pro

Group 1(\.AddMyString\(".*?"\))

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

AddMyStringthe literal text AddMyString (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

.*?any character (except for line terminators), repeated any number of times

"the literal " (34₁₀ / 42₈ / 22₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Negative Lookahead(?![\s\S\r]*\1)

Character Class[\s\S\r]*

*matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

\ra carriage return (ASCII 13)

\1the text saved by group 1

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(\.AddMyString\(".*?"\))(?![\s\S\r]*\1)

New

var myObject = new MyClass();

myObject.AddMyString("Test");
myObject.AddMyString("Computer");
myObject.AddMyString("Printer");

[...]

myObject.AddMyString("Scanner");
myObject.AddMyString("Test");

[...]

myObject.AddMyString("Computer");
myObject.AddMyString("Speakers");

Extraction

var myObject = new MyClass();

myObject.AddMyString("Test");
myObject.AddMyString("Computer");
myObject.AddMyString("Printer");

[...]

myObject.AddMyString("Scanner");
myObject.AddMyString("Test");

[...]

myObject.AddMyString("Computer");
myObject.AddMyString("Speakers");