Regular Expressions 101

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Library entries

1
pcre

SLICING A PATTERN

YEAR_MONTH_DAY HOUR_MINUTE_SECOND (UTC)
Submitted by Kmna - 7 years ago
1
pcre

Butle_UPMC_Match

Work for BHS
Submitted by Brian Mulhall - 7 years ago
1
pcre

removing a match (Date timefield)

trimming unwanted timestamps
Submitted by Kmna - 7 years ago
1
pcre

pattern

lookahead
Submitted by Kmna - 7 years ago
0
pcre

date format slicing

lookahead
Submitted by Kmna - 7 years ago
2
pcre

Basic Email

no description available
Submitted by Kareem Cambridge - 7 years ago
1
python

java

no description available
Submitted by anonymous - 7 years ago
1
pcre

Replace comma in brackets

no description available
Submitted by anonymous - 7 years ago
1
pcre

Backline

no description available
Submitted by anonymous - 7 years ago
1
pcre

Setting Conversion - Original

no description available
Submitted by anonymous - 7 years ago
1
pcre

Split user agent into groups

no description available
Submitted by anonymous - 7 years ago
1
python

Regex - global match, multiline

no description available
Submitted by MetalMuzu - 7 years ago
1
pcre

mail

mail
Submitted by anonymous - 7 years ago
0
pcre

Search href in <a> tag (internal links)

no description available
Submitted by anonymous - 7 years ago
2
pcre

Search src from <img> tag

no description available
Submitted by anonymous - 7 years ago

Hostname validator

Vote

-1

Regular Expression
pcre

/
^(?: (?:[\pL\pN\pS-\.])+(?:\.?(?:[\pL]|xn\-\-[\pL\pN-]+)+) # a domain name | # or \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3} # a IP address | # or \[ (?:(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){6})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:::(?:(?:(?:[0-9a-f]{1,4})):){5})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){4})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,1}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){3})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,2}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){2})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,3}(?:(?:[0-9a-f]{1,4})))?::(?:(?:[0-9a-f]{1,4})):)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,4}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,5}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,6}(?:(?:[0-9a-f]{1,4})))?::)))) \] # a IPv6 address )$
/
ixu

Description

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Submitted by anonymous - 7 years ago