Regular Expressions 101

^start of line

Group 1([^_]+_){5}

{5}repeats the group contents below exactly 5 times:

Negated Character Class[^_]+

+matches at least one character outside the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Negated Character Class[^_]+

+matches at least one character outside the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

$end of line

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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.

25 tokens

Regular Expression

^([^_]+_){5}[^_]+$

New

ABC_2019_02_01_blabla_05.pdf
abcdef_____.pdf
ABC_DEF_192_1111_oaoaoa.pdf

ABC_2019_02_01_blabla_05.pdf
abcdef_____.pdf
ABC_DEF_192_1111_oaoaoa.pdf