Find primes

checks the format but does not validate

reg(sn) => boolean: reg('1111') => true reg('xxxxxxxxxxx') => false

Block 800, 855, 866, 877, 888 as well as 900 numbers.

Will detect a tag

validate from url with good regx

//Original word and its translation/transcription may be delimited with end-of-line,space and punctuations symblos //There may or may not be a transcription (but we expect it always to be in square brackets) //As well some dictionaries provide several transcriptions for the same word...

Medicare ID Number (HICN) RegEx Pattern

Verify if the given text is a version tag, like git tags for versions in the git flow method

reg ex for checking if command has an operator

Respects both "double-double" and "escaped doublequote" quotes in quotes. Respects newlines in quoted strings and as line-separators. (see also RFC-4180)

This regex searches for an IP