Regular Expressions 101

Should be able to match a dot-separated decimal number (C-style) Works with: integers floating-point scientific notation

Matches only ABC_DEF, not: ABC__DEF _ABC_DEF __ABC_DEF ABC_DEF_ ABC_DEF__...

This RegEx uses a lookahead to say that anything BUT (string) will be valid

This is default regular expression used at Trafikito.com to split the output of a command into columns. Trafikito monitors Linux CPU, RAM and disk space or the output of any command. Then sends emails or makes API calls in the event that something goes wrong. Monitor your Linux machine for free a...

CIRRIS Occurrence Number Validator RegEx

The following regex will extract email addresses from a document. Sample: This is the email: m23oeo_doc@gmail.com and this is john.doe@outlook.com also can use "," master1@yahoo.com, master2@yahoo.es etc. micro.so@aol.com.

Matches all assigned mobile phone number blocks in Mainland China. Including CMCC, CHN-UNICOM, CHN-TELECOM, and various MVNOs.

Simplified version for validating Mainland China Mobile Phone Numbers.

Matches time strings formatted as mm:ss or hh:mm:ss under the following conditions: mm:ss**: only if mm and ss are less than 60 hh:mm:ss**: the above condition applies, but it selects hours only if hh is greater than 00

Adds a new line at specified length and adjusts to the nearest space.