Regular Expressions 101

Library entries

0
pcre2

入门学习

Submitted by anonymous - 7 hours ago
0
pcre2

exclude square brackets

exclude square brackets
Submitted by tarek - a day ago
0
pcre

strip host port

removes port number from URL
Submitted by pc - 3 days ago
0
java

Martch Letras y Parentesis

Martch Letras y Parentesis
Submitted by Daniel Gonzalez - 4 days ago
0
pcre2

YouTube link parser

Validate an URI to YouTube video.
Submitted by anonymous - 4 days ago

Roman numerals check

Vote

0

Regular Expression
python

r"
(?!.*([IXCM])(\1{3}))(?!.*([VLD])(\3))^[IVXLCDM]+$
"

Description

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Submitted by JNg - 2 months ago