Difference between revisions of "M4 Regexp Examples"
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| Line 6: | Line 6: | ||
| ^[0-9]+$ || only digits | | ^[0-9]+$ || only digits | ||
|- | |- | ||
| ^\+?[0-9]+$ || + sign and only digits | | ^\+?[0-9]+$ || optional + sign and only digits | ||
|- | |- | ||
| ^370[0-9]+$ || only digits starting with 370 | | ^370[0-9]+$ || only digits starting with 370 | ||
Revision as of 14:41, 22 January 2014
| Regexp | Explanation |
| .* | everything |
| ^[0-9]+$ | only digits |
| ^\+?[0-9]+$ | optional + sign and only digits |
| ^370[0-9]+$ | only digits starting with 370 |
| ^370.*$ | anything starting with 370 |
| ^(37[0-1])|(44)[0-9]*$ | only digits starting with 370 or 371 or 44 |
See also
- Standard: http://en.wikipedia.org/wiki/Regular_expression#POSIX_basic_and_extended
- Check your regexp: http://regex101.com/
