Regular Expressions 101

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Community Patterns

1

Phone Number

ECMAScript (JavaScript)
Allows a phone number in the following format: (123) 123-1234 The space is optional
Submitted by Tom G. - 9 years ago
1

Phone Number

ECMAScript (JavaScript)
Between 8 and 10 Digits, no spaces
Submitted by anonymous - 8 years ago
1

Regex to match any JSON value with fewer steps possible

PCRE (PHP <7.3)
If you find... any JSON value that should be matched but isn't, any JSON value that should NOT be matched but is or simply a way to match the values with fewer steps... please, let me know.
Submitted by anonymous - 6 years ago
1

Detects hiragana, katakana, kanji and japanese alphabet

Recommended
PCRE (PHP <7.3)
Detects hiragana, katakana, kanji and japanese alphabet
Submitted by anonymous - 4 years ago
0

Markdown Inline Link to HTML Anchor

PCRE (PHP <7.3)
Extracts title and link from Markdown inline link to be placed into an HTML anchor tag.
Submitted by Mike Johnson - 11 years ago
0

Find email address in a string.

Python
no description available
Submitted by anonymous - 11 years ago
0

Password strength check

PCRE (PHP <7.3)
Checks password for following attributes: At least 2 uppercase letters At least 2 lowercase letters At least 2 numbers At least 2 non-alphanumeric characters ...
Submitted by Visigral - 10 years ago
0

full split URL by domain, path, params

ECMAScript (JavaScript)
no description available
Submitted by memboc - 9 years ago
-2

posix

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
-1

Substitutin

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
-1

woop

Python
no description available
Submitted by anonymous - 10 years ago
1

.

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

Match US Currency Amount

PCRE (PHP <7.3)
Group 1 has dollar amount with or without commas, Group 4 has optional cents.
Submitted by anonymous - 11 years ago
1

erferf

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

match hyphen between quotes

PCRE (PHP <7.3)
no description available
Submitted by cetanu - 11 years ago
1

non negative integers

ECMAScript (JavaScript)
no description available
Submitted by jay johnson - 11 years ago
1

Find common version names in filenames

PCRE (PHP <7.3)
no description available
Submitted by Jared - 11 years ago
1

Replaces odd number of quotes with even number of quotes.

PCRE (PHP <7.3)
no description available
Submitted by ingredient_15939 - 11 years ago
1

Divisible by 3 numbers

PCRE (PHP <7.3)
no description available
Submitted by Oleksandr Sochka - 11 years ago
1

parse SQL statements and get values

PCRE (PHP <7.3)
but it does not work. How do I make it work? It will be used in C#
Submitted by anonymous - 11 years ago
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Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^(?=^abc)(?=.*123)(?=.*xyz$)
/
Open regex in editor

Description

#starts with abc, has 123 and ends with xyz abc123xyz

Submitted by Kifah - 9 years ago