Regular Expressions 101

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Capture the last word and space preceding it n a line of text with Negative Look-back

Looks for and captures the last single space and the last word in a line of text that is terminated by \r\n, \n or anchored to the back.

Submitted by James Dafferner - 7 years ago

Community Library Entry

Regular Expression
PCRE (PHP <7.3)

^((\*(\/[0-9]+)?)|[0-9\-\,\/]+)\s+((\*(\/[0-9]+)?)|[0-9\-\,\/]+)\s+((\*(\/[0-9]+)?)|[0-9\-\,\/]+)\s+((\*(\/[0-9]+)?)|[0-9\-\,\/]+)\s+((\*(\/[0-9]+)?)|[0-9\-\,\/]+)\s+((\*(\/[0-9]+)?)|[0-9\-\,\/]+)$

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Description

parse crontab

Submitted by anonymous - 7 years ago

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Community Patterns

Capture the last word and space preceding it n a line of text with Negative Look-back

crontab regrex

Select Base Url without standard ports

Select Base Url without standard ports

Syntax Error

Calculator Items Separator

NuGet package version normalize

CPE WFN value string

GPA

Select createChildControlsAsync

Select No Std Port Base Urls Including Latest Part String

Select No Std Port Base Urls Including Latest Part String

Select No Std Port Base Urls Including Latest Part String

Select No Std Port Base Urls Including Latest Part String

Select No Std Port Base Urls Including Latest Part String

Select No Std Port Base Urls Including Latest Part String

All url with latest (optional)

String remove white spaces and hyphens

Years between 1900 and 2029

pacemaker

Community Library Entry

Regular ExpressionPCRE (PHP <7.3)

Description

Regular Expression
PCRE (PHP <7.3)