Regular Expressions 101

^start of string

Non-Capturing Group(?:.+\\*)

.+any character (except for line terminators), repeated at least once

\\*the literal \ (92₁₀ / 134₈ / 5C₁₆) , repeated any number of times

Group 1([0-9]{8})

Character Class[0-9]{8}

{8}matches exactly 8 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Non-Capturing Group(?:.+)

.+any character (except for line terminators), repeated at least once

Non-Capturing Group(?:\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:.+)

.+any character (except for line terminators), repeated at least once

$end of string, or before its final line terminator

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^(?:.+\\*)([0-9]{8})(?:.+)(?:\.)(?:.+)$

New

"C:\\Users\\username\\C-Sharp\\Project\\12345678_X\\Folder\\56781234_01.itm"