Regular Expressions 101

Group 1((?:\\{1,2}\w+|\w+\\{1,2})(?:\w+\\{0,2})+)

Non-Capturing Group(?:\\{1,2}\w+|\w+\\{1,2})

1st Alternative\\{1,2}\w+

\\{1,2}the literal \ (92₁₀ / 134₈ / 5C₁₆) , repeated between 1 and 2 times

\w+a Unicode word character, repeated at least once

2nd Alternative\w+\\{1,2}

\w+a Unicode word character, repeated at least once

\\{1,2}the literal \ (92₁₀ / 134₈ / 5C₁₆) , repeated between 1 and 2 times

Non-Capturing Group(?:\w+\\{0,2})+

+repeats the group contents below at least once:

\w+a Unicode word character, repeated at least once

\\{0,2}the literal \ (92₁₀ / 134₈ / 5C₁₆) , repeated between 0 and 2 times

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

((?:\\{1,2}\w+|\w+\\{1,2})(?:\w+\\{0,2})+)

New

Doctrine\DBAL\Exception\TableNotFoundException
Doctrine\\DBAL\\Exception\\TableNotFoundException
I'm not a namespace!