Regular Expressions 101

Pro

\d+a digit, repeated at least once

$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.

25 tokens

Regular Expression

\d+$

New

9 Patterson, R.J.. 1972.Hydrology and Carbonate Diagenesis of a CoastalSabkha in the Persian Gulf. Thesis, Princeton University, Princeton, R.I.. 473pp.
139

Substitution

9 Patterson, R.J.. 1972.Hydrology and Carbonate Diagenesis of a CoastalSabkha in the Persian Gulf. Thesis, Princeton University, Princeton, R.I.. 473pp.
139