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https://github.com/rasbt/python_reference.git
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html tag regex
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parent
6e5414c44d
commit
76da7ee6e0
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@ -1,7 +1,7 @@
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{
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"metadata": {
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"name": "",
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"signature": "sha256:9fd7d5201ce5b97fadad65f2c30cfec993fc83907e04418b032bd1bbdac05ff4"
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"signature": "sha256:8f1ee7a7bfaeca0ee3e12b2387445faa10632d57277d59af6dbfdca9732e5910"
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},
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"nbformat": 3,
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"nbformat_minor": 0,
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@ -41,7 +41,7 @@
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Last updated: 06/07/2014 10:07:02 EDT\n",
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"Last updated: 06/07/2014 12:24:58 EDT\n",
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"\n",
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"CPython 3.4.1\n",
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"IPython 2.1.0\n"
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@ -264,7 +264,9 @@
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"A regular expression to check for file extensions."
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"A regular expression to check for file extensions. \n",
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"\n",
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"Note: This approach is not recommended for thorough limitation of file types (parse the file header instead). However, this regex is still a useful alternative to e.g., a Python's `endswith` approach for quick pre-filtering for certain files of interest."
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]
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},
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{
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@ -746,14 +748,6 @@
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"<br>"
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]
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},
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{
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"cell_type": "heading",
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"level": 2,
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"metadata": {},
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"source": [
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"Time"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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@ -810,6 +804,49 @@
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"\n",
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"for t in str_true:\n",
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" assert(bool(re.match(pattern, t)) == True), '%s is not True' %t\n",
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"for f in str_false:\n",
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" assert(bool(re.match(pattern, f)) == False), '%s is not False' %f"
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],
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 18
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"<br>\n",
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"<br>"
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]
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},
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{
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"cell_type": "heading",
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"level": 2,
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"metadata": {},
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"source": [
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"Checking for HTML tags"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"[[back to top](#Sections)]"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"pattern = r\"\"\"</?\\w+((\\s+\\w+(\\s*=\\s*(?:\".*?\"|'.*?'|[^'\">\\s]+))?)+\\s*|\\s*)/?>\"\"\"\n",
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"\n",
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"str_true = ('<a>', '<a href=\"something\">', '</a>', '<img src>')\n",
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" \n",
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"str_false = ('a>', '<a ', '< a >')\n",
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"\n",
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"for t in str_true:\n",
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" assert(bool(re.match(pattern, t)) == True), '%s is not True' %t\n",
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"\n",
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"for f in str_false:\n",
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" assert(bool(re.match(pattern, f)) == False), '%s is not False' %f"
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@ -817,7 +854,14 @@
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 33
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"prompt_number": 16
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"<font size=\"1px\">source: [http://haacked.com/archive/2004/10/25/usingregularexpressionstomatchhtml.aspx/](http://haacked.com/archive/2004/10/25/usingregularexpressionstomatchhtml.aspx/)</font>"
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]
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}
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],
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"metadata": {}
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