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October 6, 2020 08:19
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Simple interactive regex test on browser
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| <!doctype html> | |
| <html> | |
| <head> | |
| <style> | |
| html { background-color: #2f3131; } | |
| textarea { | |
| display: block; | |
| padding: 15px; | |
| margin: 20px 10px; | |
| width: 100%; | |
| font-size: 14pt; | |
| border: 1px solid #2f7913; | |
| } | |
| span { | |
| margin: 5px; | |
| display: inline-block; | |
| background-color: #2f7913; | |
| padding: 2px | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <textarea id="in" oninput="match()" rows="2"></textarea> | |
| <textarea id="in-test" oninput="match()" rows="10"></textarea> | |
| <div id="res"></div> | |
| <script> | |
| function match() { | |
| const input = document.querySelector('#in') | |
| const output = document.querySelector('#res') | |
| const testStr = document.querySelector('#in-test').value | |
| output.innerHTML = '' | |
| const regex = new RegExp(input.value, 'gmi') | |
| const result = testStr.match(regex) | |
| for (res of result) { | |
| const box = document.createElement('span') | |
| box.innerHTML = res | |
| box.title = res.split('').map(c => c.charCodeAt(0)).join(' ') | |
| output.appendChild(box) | |
| } | |
| } | |
| match() | |
| </script> | |
| </body> | |
| </html> |
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