Regular Expression Examples
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==Finding Trailing Spaces== | ==Finding Trailing Spaces== | ||
| - | This finds spaces at the end of the line: | + | This finds spaces at the end of the line (note that there is a space at the beginning of the expression): |
<pre> | <pre> | ||
+$ | +$ | ||
| + | </pre> | ||
| + | |||
| + | ==Lines that Contain Only Digits== | ||
| + | This finds lines that have at least one digit and the whole line contains nothing but digits: | ||
| + | |||
| + | <pre> | ||
| + | ^[0-9]+$ | ||
</pre> | </pre> | ||
