Regular Expressions 101

^start of line

_?optionally matches the literal _ (95₁₀ / 137₈ / 5F₁₆)

C433the literal text C433 (case sensitive)

.*any character (except for line terminators), repeated any number of times

$end of line

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^_?C433.*$

New

_C433.P33200SP.txt
C433.P33200SP.txt