Regular Expressions 101

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Community Patterns

0

\s

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

\S

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Extract from on-pageText

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
0

\d

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

\D

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

\w

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

\W

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

^ = Início da string;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

$ = Fim da string;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

() = Determina quais grupos serão capturados;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

(?:) = Determina quais grupos 'NÃO' serão capturados;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

(?=) = Sucedido por algum conjunto de caracteres;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

(?<=) = Precedido por algum conjunto de caracteres;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

(?!) = Que não seja sucedido por algum conjunto de caracteres;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

(?<!) = Que não seja precedido por algum conjunto de caracteres;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

替换分组

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

特殊限制（环视否定）不以什么开头

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
0

Capture query test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Latex Chemical formula

Python
Matches chemical formula written with latex, ex: H_2O, C_5H_12, Pb(NO_3)_2
Submitted by Jingjie Yang - 8 years ago
0

Latex Chemical Molecule Identifier

Python
Updated: Identifies chemical formulae written with latex
Submitted by anonymous - 8 years ago
1...3233343536...901

Community Library Entry

1

Regular Expression
Python

r"
[2-9]([0-8])(?!\1)\d-?[2-9](?!1(?=1))\d\d-?\d{4}
"
gm
Open regex in editor

Description

Match 10-digit phone number that mostly complies with NANP Modern Plan.

https://en.wikipedia.org/wiki/North_American_Numbering_Plan

Simple explanation:

Digit 1: must be between 2-9 Digit 2: must be between 0-8 Digit 3: any digit, but not the same as digit 2 Digit 4: must be between 2-9 Digit 5: any digit Digit 6: any digit, but must not be 1 if digit 5 is 1 Digits 7-10: any digit

What is missing: does not exclude matches for 555-0100 through 555-0199

Submitted by makinhey - a year ago (Last modified a year ago)