Extract html tags with PCRE regex
Verified
Added by iNTERFACEWARE
How to extract the tags from a string of html, using PCRE regex with string.rxmatch()
Source Code
-- extract HTML tags from a string
local s = '<a href="#hello_world">Hello world link</a>'
local tags = ''
for k in s:rxmatch('(<[^>]+>)') do
trace(k)
tags = tags..k
end
trace(tags)
Description
How to extract the tags from a string of html, using PCRE regex with string.rxmatch()
Usage Details
Use string.rxmatch() to find the html tags within a string. The code collects the tags that are found, thereby producing an empty set of tags.
How to use the snippet:
- Paste the code into your script
- Inspect the annotations to see how it works
Added by iNTERFACEWARE
Use table.remove() to delete an element from a table
Added by iNTERFACEWARE
Use node.setNodeValue() to set the value of a leaf node, works for all node types
Added by iNTERFACEWARE
Use table.insert() to insert an element into a table
Added by iNTERFACEWARE
Use util.sleep() to pause code execution for the specified number of milliseconds
Added by iNTERFACEWARE
Use node.remove() to delete an element from a table,
Added by iNTERFACEWARE
How to parse an X12 message using x12.parse()
Added by iNTERFACEWARE
Use os.ts.difftime() to get the time in seconds between two time, this function allows for time zones and daylight saving
Added by iNTERFACEWARE
Use os.fs.glob() to return to process a list of filenames and statistics matching a specified pattern
Added by iNTERFACEWARE
Use os.fs.stat() to get statistics for a file or directory
Added by iNTERFACEWARE
Use node.append() to append a node to an XML node tree
Added by iNTERFACEWARE
Use node.insert() to insert a node into an XML node tree
Added by iNTERFACEWARE
Use node.child() to return the node of the specified name, works for all node types
Added by iNTERFACEWARE
Use node.childCount() to count the number of children for a specified node, works for all node types
Added by iNTERFACEWARE
Use node.isKey() to check if a node is the primary key for a database table, this method only for table node trees
Added by iNTERFACEWARE
Use node.isLeaf() to check if a node is a leaf node (has no children), works for all node types
Added by iNTERFACEWARE
Use node.isNull() to check if a node is null (not present), works for all node types
Added by iNTERFACEWARE
Use node.nodeName() to get the name of a node, works for all node types
Added by iNTERFACEWARE
Use node.nodeValue() to get the value of a leaf node, works for all node types
Added by iNTERFACEWARE
Use node.nodeType() to get the type of a node, works for all node types