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Regex visualizer

Edit on the left, railroad diagram on the right, meaning below.

/^(pms)*/

Flags

Diagram

/^(pms)*/

^ pms #1

Meaning

This pattern matches the following structure from left to right.

  • Assertion: start of string (or line)
  • Capturing group #1, repeat 0 or more times (greedy):
  • · Match the literal “pms”