Text

"O'Reilly"|addslashes    // Returns "O\'Reilly"
'test"quote'|addslashes  // Returns 'test\"quote'

"hello world"|capitalize    // Returns "Hello World"
"john doe"|capitalize      // Returns "John Doe"

"Hello"|concat:" ":"World"    // Returns "Hello World"
"user"|concat:"_":"123"       // Returns "user_123"

"hello world"|contains:"world"    // Returns true
"hello world"|contains:"foo"      // Returns false

"text"|convert_encoding:"UTF-8":"ASCII"    // Converts encoding from UTF-8 to ASCII
"text"|convert_encoding:"ASCII":"UTF-8"    // Converts encoding from ASCII to UTF-8

"Hello"|detect_encoding    // Returns detected character encoding (e.g. "UTF-8")
"🌍"|detect_encoding      // Returns "UTF-8"

"test.jpg"|ends_with:".jpg"    // Returns true
"test.png"|ends_with:".jpg"    // Returns false

"<div>"|escape    // Returns "&lt;div&gt;"
"a & b"|escape    // Returns "a &amp; b"

"études"|from_utf8    // Converts from UTF-8 to binary (ISO-8859-1)
"🌍"|from_utf8        // Converts UTF-8 emoji to binary

"Hello World"|icontains:"world"    // Returns true (case insensitive)
"Test123"|icontains:"TEST"         // Returns true

"test.JPG"|iends_with:".jpg"    // Returns true (case insensitive)
"test.png"|iends_with:".JPG"    // Returns false

"HELLO world"|istarts_with:"hello"    // Returns true (case insensitive)
"Test"|istarts_with:"test"           // Returns true

"  hello"|ltrim        // Returns "hello"
"...test"|ltrim:"."    // Returns "test"

"name=john&age=25"|querystring_parse    // Returns {name: "john", age: "25"}
"x=1&x=2"|querystring_parse            // Returns {x: ["1", "2"]}

"test123"|regex_match:"\\d+"    // Returns ["123"]
"abc"|regex_match:"[a-z]"       // Returns ["a"]

"test123test456"|regex_match_all:"\\d+"    // Returns ["123", "456"]
"abc def"|regex_match_all:"[a-z]"          // Returns ["a", "b", "c", "d", "e", "f"]

"test123"|regex_test:"\\d+"    // Returns true
"abcdef"|regex_test:"\\d+"     // Returns false

".*+?^${}()|[]\\"|regex_quote    // Returns "\\.\*\+\?\^\$\{\}\(\)\|\[\]\\\\"
"[test]"|regex_quote            // Returns "\\[test\\]"

"hello123world"|regex_replace:"\\d+":"!"    // Returns "hello!world"
"test"|regex_replace:"t":"T"                // Returns "TesT"

"hello  "|rtrim        // Returns "hello"
"test..."|rtrim:"."    // Returns "test"

"a,b,c"|split:","    // Returns ["a", "b", "c"]
"test"|split:""      // Returns ["t", "e", "s", "t"]

"%s %d"|sprintf:"test":123    // Returns "test 123"
"%.2f"|sprintf:3.14159        // Returns "3.14"

"hello world"|starts_with:"hello"    // Returns true
"test123"|starts_with:"abc"         // Returns false

"résumé"|unaccent    // Returns "resume"
"café"|unaccent      // Returns "cafe"

"<p>test</p>"|strip_html         // Returns "test"
"<p><b>test</b></p>"|strip_html:"<b>"    // Returns "<b>test</b>"

"hello"|strlen    // Returns 5
""|strlen         // Returns 0

"hello"|substr:1:3    // Returns "ell"
"test"|substr:0:2     // Returns "te"

"Hello World"|to_lower    // Returns "hello world"
"TEST"|to_lower          // Returns "test"

"hello world"|to_upper    // Returns "HELLO WORLD"
"test"|to_upper          // Returns "TEST"

"études"|to_utf8    // Converts to UTF-8 encoding
"test"|to_utf8      // Ensures UTF-8 encoding

"  hello  "|trim        // Returns "hello"
"...test..."|trim:"."   // Returns "test"

"https://example.com"|url_addarg:"page":"2":true    // Returns "https://example.com?page=2"
"https://example.com?x=1"|url_addarg:"y":"2":true   // Returns "https://example.com?x=1&y=2"

"https://example.com?page=2"|url_delarg:"page"    // Returns "https://example.com"
"https://example.com?x=1&y=2"|url_delarg:"x"      // Returns "https://example.com?y=2"

"https://example.com?page=2"|url_getarg:"page":""     // Returns "2"
"https://example.com"|url_getarg:"page":"1"           // Returns "1"

"https://example.com?page=2"|url_hasarg:"page"    // Returns true
"https://example.com"|url_hasarg:"page"           // Returns false

"https://user:pass@example.com:8080/path?q=1#hash"|url_parse    // Returns parsed URL object
"https://example.com/test"|url_parse                            // Returns parsed URL object

"hello world"|index:"world"    // Returns 6
```javascript
"hello world"|index:"world"    // Returns 6
"hello world"|index:"WORLD"    // Returns false

"hello world"|iindex:"world"    // Returns 6
"hello world"|iindex:"WORLD"    // Returns 6