Regular Expressions 101

Group 1(\d{4}-M\d-)

\d{4}a digit, repeated exactly 4 times

-Mthe literal text -M (case sensitive)

\da digit

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2(\d{4})

\d{4}a digit, repeated exactly 4 times

Group 3(-\d{4})

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d{4}a digit, repeated exactly 4 times

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

(\d{4}-M\d-)(\d{4})(-\d{4})

New

0124-M5-2260-1400
1225-M6-1015-1400
3023-M7-1005-1400