Regular Expressions 101

1st Alternative\QE\1|^\/(\\)Q(?R){2}z\/\E\1

\QE\1|^\/(\\)Q(?R){2}z\/\Ethe literal text E\1|^\/(\\)Q(?R){2}z\/ (case sensitive)

\1the text saved by group 1

2nd Alternative^\/(\\)Q(?R){2}z\/\z

^start of string

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1(\\)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Qthe literal Q (81₁₀ / 121₈ / 51₁₆) (case sensitive)

(?R){2}recurses into the entire pattern, repeated exactly 2 times

zthe literal z (122₁₀ / 172₈ / 7A₁₆) (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\zend of string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

\QE\1|^\/(\\)Q(?R){2}z\/\E\1|^\/(\\)Q(?R){2}z\/\z

New

/\QE\1|^\/(\\)Q(?R){2}z\/\E\1|^\/(\\)Q(?R){2}z\/\z/