Regular Expressions 101

^start of line

Character Class[\da-zA-Z0-9\-\_]{16,16}

{16,16}matches exactly 16 characters from the set below:

\da digit

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\_the literal _ (95₁₀ / 137₈ / 5F₁₆)

$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

^[\da-zA-Z0-9\-\_]{16,16}$

New

ywrckisnxiwfwl2m
fxr1qtqhezpgno-z
(not set)
9ccvg3l-yu40n5kg+aem_ax8r7jqa2j3ad-twccvdltuod3ebjlzpqiypepb7awmspq7mfjptu6jsy_t1u-4naid3djgae8f1xz6xhecbb039j8jkm23xqbssi-byo3ktgg

Regular Expression

Extraction