Regular Expressions 101

Pro

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Group PatientId(?<PatientId>[^\\]+)

Negated Character Class[^\\]+

+matches at least one character outside the set below:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\w+any word character, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

+repeats the group contents below at least once:

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

dcmthe literal text dcm (case sensitive)

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25 tokens

\\(?<PatientId>[^\\]+)\\\w+\.(?:\d+\.)+dcm

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