Calculator
What the Regex Escape does
Regex Escape: calculates Regex-escaped from Text. Example: text price: $9.99 (each)? gives regex-escaped price: \$9\.99 \(each\)\?.
Feed it Text; it hands back Regex-escaped. There is no submit step; the numbers move as you adjust them.
It is mostly used by anyone reformatting pasted text. Text pasted from another program usually arrives with formatting nobody wants.
The transformation happens locally and the text is discarded when you close the tab.
Below the tool you will find the field reference, the method, and an example computed from the values it opens with.
What do the Regex Escape fields mean?
The Regex Escape uses 1 input. The starting figures are ordinary, not edge cases, so they make a sensible baseline.
| Field | What to enter | Default |
|---|---|---|
| Text | paste or type any amount of text | price: $9.99 (each)? |
How does the Regex Escape work?
Each output is derived from the inputs above in a single pass; there is no hidden state carried between runs, so the same inputs always give the same calculation.
Each field is verified before use; failures are reported explicitly rather than swallowed.
Worked example
These are the values the Regex Escape loads by default, and the result it produces from them. The defaults produce the result shown here; change any of them and the answer moves.
| Text | price: $9.99 (each)? |
|---|
| Regex-escaped | price: \$9\.99 \(each\)\? |
|---|
How to use it
- Paste your content into Text.
- The answer follows your cursor, in effect. Change a field and read the new figure.
- Look at Regex-escaped in the output panel.
- If you need a record, Copy Link saves the inputs and Print produces a clean page.
What this tool does not do
- Word and character definitions vary between tools: this one counts whitespace-separated tokens.
- Very large pastes are limited by your browser memory rather than a server quota.
- Comparisons across tools can differ where each uses a slightly different definition.
Frequently asked questions
Only Text. A starting value is in place for each, so the quickest approach is to replace the one number you actually care about.
With the values loaded when the page opens, regex-escaped comes out as price: \$9\.99 \(each\)\?. Edit any input and that figure moves with it.
No. Disconnect from the internet and it still works; that is the simplest proof there is no server call.
No cost and no account. Use it as often as you like.
It is accurate to the method shown. Rounding only affects what is displayed, never what is computed.