Regular Expressions 101

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1

Regular Expression
Created·2025-06-18 11:02
Updated·2025-06-30 06:26
Flavor·Python

r"
^(?P<unit_type>S)(?P<unit_size>\d{1,2})(?P<mounting_type>A|P)(?P<cracking_pressure>\d{1,2})(?P<sep_1>-)(?P<unit_series>1X)(?P<sep_2>/|=)(?P<pressure_rating_max>\d{1,3}|)(?P<surface_coating>J3|J5|)(?P<orifice_position>B|)(?P<orifice_diameter>\d{1,2}|)(?P<pipe_port>/2|/12|)(?P<special_version>(.|[0-9])*)$
"
gm
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Description

20378

Submitted by anonymous